Letter:Vitamins C and B12.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001205:Ascorbic Acid / Q000009:adverse effects / Q000494:pharmacology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014805:Vitamin B 12 / Q000037:antagonists & inhibitors*; D014806:Vitamin B 12 Deficiency / Q000139:chemically induced
D014805:Vitamin B 12; D001205:Ascorbic Acid