R H Allen

Elevation of total homocysteine in the serum of patients with cobalamin or folate deficiency detected by capillary gas chromatography-mass spectrometry.

S P Stabler, P D Marcell, Elaine R. Podell et al. · Journal of Clinical Investigation · 1988 · 481 citations · Full text

Vitamin Nutrition, Nutrition, Folate Deficiency +15

Effects of vitamin B12, folate, and vitamin B6 supplements in elderly people with normal serum vitamin concentrations

Hans-Joachim Naurath, Etienne Joosten, Reiner Riezler et al. · The Lancet · 1995 · 290 citations

Vitamin Nutrition, Nutrition, Elderly People +9

Association of folate intake and serum homocysteine in elderly persons according to vitamin supplementation and alcohol use

Kathleen M. Koehler, Richard Baumgartner, Philip J. Garry et al. · American Journal of Clinical Nutrition · 2001 · 95 citations · Full text

Nutrition, Serum Homocysteine, Aging +10

Etiology and Diagnostic Evaluation of Macrocytosis

David G. Savage, A Ogundipe, R H Allen et al. · The American Journal of the Medical Sciences · 2000 · 81 citations

Inflammation, Diagnostic Evaluation, Autoimmune Disease +8

Racial differences in prevalence of cobalamin and folate deficiencies in disabled elderly women

Sally P. Stabler, R H Allen, Linda P. Fried et al. · American Journal of Clinical Nutrition · 1999 · 80 citations · Full text

Nutrition, Folate Deficiencies, Geriatrics +15