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References for Text in Boxes

Amos R, Dawson D, Fish D, Leeming R, Linnell J. Guidelines on the investigation and diagnosis of cobalamin and folate deficiencies. A publication of the British Committee for Standards in Haematology. BCSH General Haematology Test Force. Clin Lab Haematol. 1994 Jun;16(2):101-15.

Baik H, Russell R. Vitamin B12 deficiency in the elderly. Annual Rev Nutr
1999(19):357-77.

Bernard MA, Nakonezny PA, Kashner TM. The effect of vitamin B12 deficiency on older veterans and its relationship to health. J Am Geriatr Soc. 1998 Oct;46(10):1199-206.

Carmel R. Current concepts in cobalamin deficiency. Annu Rev Med. 2000;51:357-375.

Carmel R, Green R, Rosenblatt DS, Watkins D. Update on cobalamin, folate, and homocysteine. Hematology (Am Soc Hematol Educ Program). 2003:62-81.

U.S. Food and Drug Administration (FDA). Food standards: amendment of standards of identity for enriched grain products to require addition of folic acid.: Fed Regist; 1996; 61(44): 8781-97.

Herbert V. Staging vitamin B-12 (cobalamin) status in vegetarians. Am J Clin Nutr. 1994 May;59(5 Suppl):1213S-22S.

Institute of Medicine (IOM). Dietary reference intakes for thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin and choline. Washington, D.C.: National Academy Press; 1998.

Matchar DB, McCrory DC, Millington DS, Feussner JR. Performance of the serum cobalamin assay for diagnosis of cobalamin deficiency. Am J Med Sci. 1994 Nov;308(5):276-83.

Pennypacker LC, Allen RH, Kelly JP, Matthews LM, Grigsby J, Kaye K, et al. High prevalence of cobalamin deficiency in elderly outpatients. J Am Geriatr Soc. 1992 Dec;40(12):1197-204.

Rajan S, Wallace JI, Beresford SA, Brodkin KI, Allen RA, Stabler SP. Screening for cobalamin deficiency in geriatric outpatients: prevalence and influence of synthetic cobalamin intake. J Am Geriatr Soc. 2002 Apr;50(4):624-30.

Stabler SP, Allen RH. Megoblastic anemias. In: Goldman, editor. Cecil Textbook of Medicine. 22nd ed: W. B. Saunders Company; 2004:1050-1057.

Ward PC. Modern approaches to the investigation of vitamin B12 deficiency. Clin Lab Med. 2002 Jun;22(2):435-45.

 

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