title: Red cell enzyme tests of vitamin status: do marginal deficiencies have any physiological significance?
mesh_terms: D000328:Adult; D000368:Aged; D000410:Alanine Transaminase / Q000097:blood; D000818:Animals; D001219:Aspartate Aminotransferases / Q000097:blood; D002648:Child; D004796:Clinical Enzyme Tests / Q000592:standards*; D004912:Erythrocytes / Q000201:enzymology; D005260:Female; D005980:Glutathione Reductase / Q000097:blood; D006801:Humans; D008297:Male; D009751:Nutritional Requirements; D011247:Pregnancy; D011736:Pyridoxine / Q000378:metabolism; D012256:Riboflavin / Q000378:metabolism; D012257:Riboflavin Deficiency / Q000175:diagnosis*; D013831:Thiamine / Q000378:metabolism; D013832:Thiamine Deficiency / Q000175:diagnosis*; D014174:Transketolase / Q000097:blood; D026681:Vitamin B 6 Deficiency / Q000175:diagnosis*
chemical_list: D005980:Glutathione Reductase; D014174:Transketolase; D001219:Aspartate Aminotransferases; D000410:Alanine Transaminase; D011736:Pyridoxine; D012256:Riboflavin; D013831:Thiamine