skip page navigationOregon State University

Micronutrient Information Center

References: Micronutrient Requirements of Children Ages 4 to 13 Years


1.  Lucas BL, Feucht SA. Nutrition in childhood. In: Mahan LK, Escott-Stump S, eds. Krause's food & nutrition therapy. 12th ed. St. Louis: Saunders Elsevier; 2008:222-45.

2.  Wooldridge NH. Child and preadolescent nutrition. In: Brown JE, Issacs JS, Krinke UB, Murtaugh MA, Stang J, Wooldridge NH, eds. Nutrition through the life cycle. Belmont: Wadsworth/Thomson Learning; 2002:283-306.

3.  Food and Nutrition Board, Institute of Medicine. Overview and methods. In: Dietary reference intakes for vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. Washington, D.C.: National Academy Press; 2001:44-59.  (National Academy Press)

4.  Subcommittee on Interpretation and Uses of Dietary Reference Intakes and the Standing Committee on the Scientific Evaluation of Dietary Reference Intakes. Dietary Reference Intakes: Applications in Dietary Planning. Washington, D.C.: The National Academies Press; 2003.  (The National Academies Press)

5.  Subcommittee on Interpretation and Uses of Dietary Reference Intakes. Dietary Reference Intakes: Applications in Dietary Assessment. Washington, D.C.: National Academy Press; 2000.  (National Academy Press)

6.  Subcommittee on Interpretation and Uses of Dietary Reference Intakes and the Standing Committee on the Scientific Evaluation of Dietary Reference Intakes. Using Dietary Reference Intakes in Planning Diets for Individuals. In: Dietary Reference Intakes: Applications in Dietary Planning. Washington, D.C.: The National Academies Press; 2003:35-54.  (The National Academies Press)

7.  Kleiber M. Body size and metabolic rate. Physiological reviews 1947;27(4):511-41.  (PubMed)

8.  Underwood BA, Arthur P. The contribution of vitamin A to public health. FASEB J 1996;10(9):1040-8.  (PubMed)

9.  Brody T. Nutritional biochemistry. San Diego: Academic Press; 1999.

10.  Semba RD. Impact of vitamin A on immunity and infection in developing countries. In: Bendich A, Decklebaum RJ, eds. Preventive nutrition: the comprehensive guide for health professionals. Totowa: Human Press Inc.; 2001:329-46.

11.  Semba RD. Vitamin A and human immunodeficiency virus infection. The Proceedings of the Nutrition Society 1997;56(1B):459-69.  (PubMed)

12.  Field CJ, Johnson IR, Schley PD. Nutrients and their role in host resistance to infection. Journal of leukocyte biology 2002;71(1):16-32.  (PubMed)

13.  West CE. Vitamin A and measles. Nutrition reviews 2000;58(2 Pt 2):S46-54.  (PubMed)

14.  Thurnham DI, Northrop-Clewes CA. Optimal nutrition: vitamin A and the carotenoids. The Proceedings of the Nutrition Society 1999;58(2):449-57.  (PubMed)

15.  Food and Nutrition Board, Institute of Medicine. Vitamin A. In: Dietary reference intakes for vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. Washington, D.C.: National Academy Press; 2001:65-126.  (National Academy Press)

16.  Shane B. Folic acid. In: Stipanuk M, ed. Biochemical and physiological aspects on human nutrition. Philadelphia: W.B. Saunders Co.; 2000:483-518.

17.  Stabler SP. Vitamin B12. In: Bowman BA, Russell RM, eds. Present knowledge in nutrition. 9th ed. Washington, D.C.: ILSI Press; 2006:302-13.

18.  Healton EB, Savage DG, Brust JC, Garrett TJ, Lindenbaum J. Neurologic aspects of cobalamin deficiency. Medicine 1991;70(4):229-45.  (PubMed)

19.  Carter R, Aldridge S, Page M, Parker S. Brain anatomy. In: Frances P, ed. The human brain book. London: Dorling Kindersley; 2009:50-73.

20.  Food and Nutrition Board, Institute of Medicine. Vitamin B12. In: Dietary reference intakes for thiamin, riboflavin, niacin, vitamin B6, vitamin B12, pantothenic acid, biotin, and choline. Washington, D.C.: National Academy Press; 1998:306-56.  (National Academy Press)

21.  Lebel C, Walker L, Leemans A, Phillips L, Beaulieu C. Microstructural maturation of the human brain from childhood to adulthood. NeuroImage 2008;40(3):1044-55.  (PubMed)

22.  Benes FM. Myelination of cortical-hippocampal relays during late adolescence. Schizophrenia bulletin 1989;15(4):585-93.  (PubMed)

23.  Maggini S, Wenzlaff S, Hornig D. Essential role of vitamin C and zinc in child immunity and health. The Journal of international medical research 2010;38(2):386-414.  (PubMed)

24.  Johnston CS. Vitamin C. In: Bowman BA, Russell RM, eds. Present knowledge in nutrition. 9th ed. Washington, D.C.: ILSI Press; 2006:233-41.

25.  Food and Nutrition Board, Institute of Medicine. Vitamin C. In: Dietary reference intakes for vitamin C, vitamin E, selenium, and carotenoids. Washington, D.C.: National Academy Press; 2000:95-185.

26.  Wagner CL, Greer FR. Prevention of rickets and vitamin D deficiency in infants, children, and adolescents. Pediatrics 2008;122(5):1142-52.  (PubMed)

27.  Wharton B, Bishop N. Rickets. Lancet 2003;362(9393):1389-400.  (PubMed)

28.  Weisberg P, Scanlon KS, Li R, Cogswell ME. Nutritional rickets among children in the United States: review of cases reported between 1986 and 2003. The American journal of clinical nutrition 2004;80(6 Suppl):1697S-705S.  (PubMed)

29.  Mylott BM, Kump T, Bolton ML, Greenbaum LA. Rickets in the Dairy State. Wmj 2004;103(5):84-7.  (PubMed)

30.  Pettifor JM. Rickets and vitamin D deficiency in children and adolescents. Endocrinology and metabolism clinics of North America 2005;34(3):537-53, vii.  (PubMed)

31.  Pettifor JM. Nutritional rickets: deficiency of vitamin D, calcium, or both? The American journal of clinical nutrition 2004;80(6 Suppl):1725S-9S.  (PubMed)

32.  Sills IN, Skuza KA, Horlick MN, Schwartz MS, Rapaport R. Vitamin D deficiency rickets. Reports of its demise are exaggerated. Clinical pediatrics 1994;33(8):491-3.  (PubMed)

33.  Thacher TD, Fischer PR, Strand MA, Pettifor JM. Nutritional rickets around the world: causes and future directions. Annals of tropical paediatrics 2006;26(1):1-16.  (PubMed)

34.  Food and Nutrition Board, Institute of Medicine. Overview of vitamin D. In: Dietary reference intakes for calcium and vitamin D. Washington, D.C.: The National Academies Press; 2011:75-124.  (The National Academies Press)

35.  Yetley EA. Assessing the vitamin D status of the US population. The American journal of clinical nutrition 2008;88(2):558S-64S.  (PubMed)

36.  Holick MF. Vitamin D deficiency. The New England journal of medicine 2007;357(3):266-81.  (PubMed)

37.  Bailey RL, Dodd KW, Goldman JA, et al. Estimation of total usual calcium and vitamin D intakes in the United States. The Journal of nutrition 2010;140(4):817-22.  (PubMed)

38.  Food and Nutrition Board, Institute of Medicine. Dietary reference intakes for adequacy: calcium and vitamin D. In: Dietary reference intakes for calcium and vitamin D. Washington, D.C.: The National Academies Press; 2011:345-402.  (The National Academies Press)

39.  Holick MF, Binkley NC, Bischoff-Ferrari HA, et al. Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline. The Journal of clinical endocrinology and metabolism 2011;96(7):1911-1930.  (PubMed)

40.  Food and Nutrition Board, Institute of Medicine. Vitamin E. In: Dietary reference intakes for vitamin C, vitamin E, selenium, and carotenoids. Washington, D.C.: National Academy Press; 2000:186-283.  (National Academy Press)

41.  Ahuja JK, Goldman JD, Moshfegh AJ. Current status of vitamin E nutriture. Annals of the New York Academy of Sciences 2004;1031:387-90.  (PubMed)

42.  Giraud DW, Kim YN, Cho YO, Driskell JA. Vitamin E inadequacy observed in a group of 2- to 6-year-old children living in Kwangju, Republic of Korea. International journal for vitamin and nutrition research Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung 2008;78(3):148-55.  (PubMed)

43.  Stahl A, Vohmann C, Richter A, Heseker H, Mensink GB. Changes in food and nutrient intake of 6- to 17-year-old Germans between the 1980s and 2006. Public health nutrition 2009;12(10):1912-23.  (PubMed)

44.  Food and Nutrition Board, Institute of Medicine. Overview of calcium. In: Dietary reference intakes for calcium and vitamin D. Washington, D.C.: The National Academies Press; 2011:35-74.  (The National Academies Press)

45.  Centers for Disease Control. Achievements in public health, 1900-1999: fluoridation of drinking water to prevent dental caries. MMWR 1999;48:933-40.

46.  DePaola DP. Nutrition in relation to dental medicine. In: Shils ME, Olson JA, Shike M, Ross AC, eds. Modern nutrition in health and disease. 9th ed. Baltimore: Lippincott Williams & Wilkins; 1999:1099-124.

47.  Food and Nutrition Board, Institute of Medicine. Fluoride. In: Dietary reference intakes for calcium, phosphorus, magnesium, vitamin D, and fluoride. Washington, D.C.: National Academy Press; 1997:288-313.  (National Academy Press)

48.  Cerklewski FL. Fluoride bioavailability--nutritional and clinical aspects. Nutr Res 1997;17:907-29.

49.  Hetzel BS, Clugston GA. Iodine. In: Shils ME, Olson JA, Shike M, Ross AC, eds. Modern nutrition in health and disease. 9th ed. Baltimore: Lippincott Williams & Wilkins; 1999:253-64.

50.  Dunn JT. What's happening to our iodine? The Journal of clinical endocrinology and metabolism 1998;83(10):3398-400.  (PubMed)

51.  Assessment of iodine deficiency disorders and monitoring their elimination: a guide for programme managers. World Health Organization, 2007. Accessed 2007. Available at: http://whqlibdoc.who.int/publications/2007/9789241595827_eng.pdf.

52.  Tiwari BD, Godbole MM, Chattopadhyay N, Mandal A, Mithal A. Learning disabilities and poor motivation to achieve due to prolonged iodine deficiency. The American journal of clinical nutrition 1996;63(5):782-6.  (PubMed)

53.  Bleichrodt N, Shrestha RM, West CE, Hautvast JG, van de Vijver FJ, Born MP. The benefits of adequate iodine intake. Nutrition reviews 1996;54(4 Pt 2):S72-8.  (PubMed)

54.  de Benoist B, McLean E, Andersson M, Rogers L. Iodine deficiency in 2007: global progress since 2003. Food and nutrition bulletin 2008;29(3):195-202.  (PubMed)

55.  Food and Nutrition Board, Institute of Medicine. Iodine. In: Dietary reference intakes for vitamin A, vitamin K, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. Washington, D.C.: National Academy Press; 2001:258-89.  (National Academy Press)

56.  United Nations Children's Fund. The state of the world's children 2007. Women and children, the double dividend of gender equality. UNICEF. New York; 2006:109.  Available at: http://www.unicef.org/sowc07/report/report.php

57.  Andersson M, de Benoist B, Rogers L. Epidemiology of iodine deficiency: Salt iodisation and iodine status. Best practice & research 2010;24(1):1-11.  (PubMed)

58.  Best C, Neufingerl N, van Geel L, van den Briel T, Osendarp S. The nutritional status of school-aged children: why should we care? Food and nutrition bulletin;31(3):400-17.  (PubMed)

59.  Zimmermann MB, Andersson M. Prevalence of iodine deficiency in Europe in 2010. Ann Endocrinol (Paris) 2001;72(2):164-166.  (PubMed)

60.  Malvaux P, Beckers C, De Visscher M. Iodine balance studies in nongoitrous children and in adolescents on low iodine intake. The Journal of clinical endocrinology and metabolism 1969;29(1):79-84.  (PubMed)

61.  Dasgupta PK, Liu Y, Dyke JV. Iodine nutrition: iodine content of iodized salt in the United States. Environmental science & technology 2008;42(4):1315-23.  (PubMed)

62.  Caldwell KL, Miller GA, Wang RY, Jain RB, Jones RL. Iodine status of the U.S. population, National Health and Nutrition Examination Survey 2003-2004. Thyroid 2008;18(11):1207-14.  (PubMed)

63.  Pennington JAT, Schoen SA, Salmon GD, Young B, Johnson RD, Marts RW. Composition of core foods of the U.S. food supply, 1982-1991. III. Copper, manganese, selenium, iodine. J Food Comp Anal 1995;8:171-217.

64.  Fairbanks VF. Iron in medicine and nutrition. In: Shils ME, Olson JA, Shike M, Ross AC, eds. Modern nutrition in health and disease. 9th ed. Philadelphia: Lippincott Williams & Wilkins; 1999:193-221.

65.  Jaakkola P, Mole DR, Tian YM, et al. Targeting of HIF-alpha to the von Hippel-Lindau ubiquitylation complex by O2-regulated prolyl hydroxylation. Science (New York, NY 2001;292(5516):468-72.  (PubMed)

66.  Ivan M, Kondo K, Yang H, et al. HIFalpha targeted for VHL-mediated destruction by proline hydroxylation: implications for O2 sensing. Science (New York, NY 2001;292(5516):464-8.  (PubMed)

67.  Beard JL, Dawson HD. Iron. In: O'Dell BL, Sunde RA, eds. Handbook of nutritionally essential minerals. New York: Marcel Dekker, Inc.; 1997:275-334.

68.  Wood RJ, Ronnenberg AG. Iron. In: Shils ME, Shike M, Ross AC, Caballero B, Cousins RJ, eds. Modern nutrition in health and disease. 10th ed. Philadelphia: Lippincott Williams & Wilkins; 2006:248-70.

69.  Owens A, Cloud HH. Special topics in toddler and preschool nutrition: vitamins and minerals in childhood and children with disabilities. In: Edelstein S, Sharlin J, eds. Life cycle nutrition: an evidence-based approach. Boston: Jones and Bartlett Publishers; 2009:183-225.

70.  Micronutrient deficiencies: iron deficiency anemia. 2011. Accessed 5/6/11. Available at: http://www.who.int/nutrition/topics/ida/en/index.html.

71.  Disorders of iron metabolism and heme synthesis. In: Lee GR, Foerster J, Lukens J, et al., eds. Wintrobe's Clinical Hematology. 10th ed. Baltimore: Lippincott Williams & Wilkins; 1999:979-1070.

72.  Thomas DG, Grant SL, Aubuchon-Endsley NL. The role of iron in neurocognitive development. Developmental neuropsychology 2009;34(2):196-222.  (PubMed)

73.  Lozoff B. Iron deficiency and child development. Food and nutrition bulletin 2007;28(4 Suppl):S560-71.  (PubMed)

74.  Todorich B, Pasquini JM, Garcia CI, Paez PM, Connor JR. Oligodendrocytes and myelination: the role of iron. Glia 2009;57(5):467-78.  (PubMed)

75.  Beard JL. Iron biology in immune function, muscle metabolism and neuronal functioning. The Journal of nutrition 2001;131(2S-2):568S-79S; discussion 80S.  (PubMed)

76.  Food and Nutrition Board, Institute of Medicine. Iron. In: Dietary reference intakes for vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. Washington, D.C.: National Academy Press; 2001:290-393.  (National Academy Press)

77.  Lynch SR. Interaction of iron with other nutrients. Nutrition reviews 1997;55(4):102-10.  (PubMed)

78.  Yip R, Dallman PR. Iron. In: Ziegler EE, Filer LJ, eds. Present knowledge in nutrition. 7th ed. Washington, D.C.: ILSI Press; 1997:277-92.

79.  Food and Nutrition Board. Institute of Medicine. Magnesium. In: Dietary reference intakes for calcium, phosphorus, magnesium, vitamin D, and fluoride. Washington, D.C.: National Academy Press; 1997:190-249.  (National Academy Press)

80.  Rude RK, Shils ME. Magnesium. In: Shils ME, Shike M, Ross AC, Caballero B, Cousins RJ, eds. Modern nutrition in health and disease. 10th ed. Baltimore: Lippincott Williams & Wilkins; 2006:223-47.

81.  Andon MB, Ilich JZ, Tzagournis MA, Matkovic V. Magnesium balance in adolescent females consuming a low- or high-calcium diet. The American journal of clinical nutrition 1996;63(6):950-3.  (PubMed)

82.  Abrams SA, Grusak MA, Stuff J, O'Brien KO. Calcium and magnesium balance in 9-14-y-old children. The American journal of clinical nutrition 1997;66(5):1172-7.  (PubMed)

83.  U.S. Department of Agriculture National Nutrient Database for Standard Reference, Release 23. 2010. Available at: http://www.nal.usda.gov/fnic/foodcomp/search. Accessed 4/8/11.

84.  O'Neil CE, Nicklas TA, Zanovec M, Cho SS, Kleinman R. Consumption of whole grains is associated with improved diet quality and nutrient intake in children and adolescents: the National Health and Nutrition Examination Survey 1999-2004. Public health nutrition 2011;14(2):347-55.  (PubMed)

85.  U.S. Department of Agriculture and U.S. Department of Health and Human Services. Dietary Guidelines for Americans, 2010. 7th Edition, Washington, DC: U.S. Government Printing Office, December 2010. Available at: http://www.cnpp.usda.gov/dietaryguidelines.htm.

86.  Food and Nutrition Board, Institute of Medicine. Sodium and chloride. In: Dietary reference intakes for water, potassium, sodium, chloride, and sulfate. Washington, D.C.: National Academies Press; 2005:269-423.  (National Academies Press)

87.  Tuerk MJ, Fazel N. Zinc deficiency. Current opinion in gastroenterology 2009;25(2):136-43.  (PubMed)

88.  Hambidge M. Human zinc deficiency. The Journal of nutrition 2000;130(5S Suppl):1344S-9S.  (PubMed)

89.  Walravens PA, Hambidge KM, Koepfer DM. Zinc supplementation in infants with a nutritional pattern of failure to thrive: a double-blind, controlled study. Pediatrics 1989;83(4):532-8.  (PubMed)

90.  Hambidge M, Krebs N. Trace elements in man and animals 10: Proceedings of the tenth international symposium on trace elements in man and animals. In: Roussel AM, ed. New York: Plenum Press; 2000:977-80.

91.  Cole CR, Lifshitz F. Zinc nutrition and growth retardation. Pediatr Endocrinol Rev 2008;5(4):889-96.  (PubMed)

92.  MacDonald RS. The role of zinc in growth and cell proliferation. The Journal of nutrition 2000;130(5S Suppl):1500S-8S.  (PubMed)

93.  Baum MK, Shor-Posner G, Campa A. Zinc status in human immunodeficiency virus infection. The Journal of nutrition 2000;130(5S Suppl):1421S-3S.  (PubMed)

94.  Shankar AH, Prasad AS. Zinc and immune function: the biological basis of altered resistance to infection. The American journal of clinical nutrition 1998;68(2 Suppl):447S-63S.  (PubMed)

95.  Fuchs GJ. Possibilities for zinc in the treatment of acute diarrhea. The American journal of clinical nutrition 1998;68(2 Suppl):480S-3S.  (PubMed)

96.  Fischer Walker CL, Black RE. Micronutrients and diarrheal disease. Clin Infect Dis 2007;45 Suppl 1:S73-7.  (PubMed)

97.  Bhutta ZA, Bird SM, Black RE, et al. Therapeutic effects of oral zinc in acute and persistent diarrhea in children in developing countries: pooled analysis of randomized controlled trials. The American journal of clinical nutrition 2000;72(6):1516-22.  (PubMed)

98.  Aggarwal R, Sentz J, Miller MA. Role of zinc administration in prevention of childhood diarrhea and respiratory illnesses: a meta-analysis. Pediatrics 2007;119(6):1120-30.  (PubMed)

99.  The United Nations Children's Fund/World Health Organization. WHO/UNICEF Joint Statement: Clinical Management of Acute Diarrhoea. Geneva; New York; 2004:1-8. Available at: http://www.unicef.org/publications/index_21433.html.

100.  Bhutta ZA, Black RE, Brown KH, et al. Prevention of diarrhea and pneumonia by zinc supplementation in children in developing countries: pooled analysis of randomized controlled trials. Zinc Investigators' Collaborative Group. The Journal of pediatrics 1999;135(6):689-97.  (PubMed)

101.  Sazawal S, Black RE, Ramsan M, et al. Effect of zinc supplementation on mortality in children aged 1-48 months: a community-based randomised placebo-controlled trial. Lancet 2007;369(9565):927-34.  (PubMed)

102.  Shankar AH. Nutritional modulation of malaria morbidity and mortality. The Journal of infectious diseases 2000;182 Suppl 1:S37-53.  (PubMed)

103. Zinc Against Plasmodium Study Group. Effect of zinc on the treatment of Plasmodium falciparum malaria in children: a randomized controlled trial. The American journal of clinical nutrition 2002;76(4):805-12.  (PubMed)

104.  Muller O, Becher H, van Zweeden AB, et al. Effect of zinc supplementation on malaria and other causes of morbidity in west African children: randomised double blind placebo controlled trial. BMJ (Clinical research ed 2001;322(7302):1567.  (PubMed)

105.  Food and Nutrition Board, Institute of Medicine. Zinc. In: Dietary reference intakes for vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. Washington, D.C.: National Academy Press; 2001:442-501.  (National Academy Press)

106.  King JC, Cousins RJ. Zinc. In: Shils ME, Shike M, Ross AC, Caballero B, Cousins RJ, eds. Modern nutrition in health and disease. 10th ed. Baltimore: Lippincott Williams & Wilkins; 2006:271-85.

107.  Blusztajn JK. Choline, a vital amine. Science (New York, NY 1998;281(5378):794-5.  (PubMed)

108.  Food and Nutrition Board, Institute of Medicine. Choline. In: Dietary reference intakes for thiamin, riboflavin, niacin, vitamin B-6, folate, vitamin B-12, pantothenic acid, biotin, and choline. Washington, D.C.: National Academy Press; 1998:390-422.  (National Academy Press)

109.  Zeisel SH, Niculescu MD. Choline and phosphatidylcholine. In: Shils ME, Shike M, Ross AC, Caballero B, Cousins RJ, eds. Modern nutrition in health and disease. Philadelphia: Lippincott Williams & Wilkins; 2006:525-36.

110.  Zeisel SH. Choline: an essential nutrient for humans. Nutrition (Burbank, Los Angeles County, Calif 2000;16(7-8):669-71.  (PubMed)

111.  Zeisel SH, da Costa KA. Choline: an essential nutrient for public health. Nutrition reviews 2009;67(11):615-23.  (PubMed)

112.  Nakamura MT, Nara TY. Structure, function, and dietary regulation of delta6, delta5, and delta9 desaturases. Annual review of nutrition 2004;24:345-76.  (PubMed)

113.  Food and Nutrition Board, Institute of Medicine. Dietary fats: total fat and fatty acids. In: Dietary reference intakes for energy, carbohydrate, fiber, fat, fatty acids, cholesterol, protein, and amino acids. Washington, D.C.: The National Academies Press; 2005:422-541.  (The National Academies Press)

114.  Food and Nutrition Board IoM. Summary. In: Dietary reference intakes for vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. Washington, D.C.: National Academy Press; 2001:1-28.  (National Academy Press)

115.  Moshfegh A, Goldman J, Cleveland L. 2005. What We Eat in America, NHANES 2001-2002: Usual Nutrient Intakes from Food Compared to Dietary Reference Intakes. U.S. Department of Agriculture, Agricultural Research Service.  Available at: http://www.ars.usda.gov/SP2UserFiles/Place/12355000/pdf/0102/usualintaketables2001-02.pdf