1. Alzheimer's disease/alcohol dementia: association with zinc deficiency and cerebral vitamin B12 deficiency;Van Tiggelen;J Orthomolec Psych,1983
2. Low serum vitamin B12 in Alzheimer-type dementia;Cole;Age Aging,1984
3. Low serum cobalamin levels in primary degenerative dementia;Karnaze;Arch Intern Med,1987
4. Nutritional status of free-living Alzheimer patients;Renvall;Am J Med Sci,1989
5. Cobalamin-folate inter-relations—a critical review;Chanarin;Blood,1985