1. A nutritional survey of the elderly: haematological aspects;Morgan;Internat J Vit Nutr Res,1973
2. Nutrition and Aging: A Monograph for Practitioners;Howell;Gerontologist,1969
3. Folate depletion in old age;Girdwood;Am J Clin Nutr,1969
4. The influence of nutritional environment on aging;Krehl;Geriatrics,1974
5. Serum folate and vitamin-B12levels in the elderly;Meindok;J Am Geriatrics Soc,1970