[Correct information on vitamin B12?].
Jansson
J H
JH
D000329:Advertising; D015415:Biomarkers / Q000032:analysis; D004338:Drug Combinations; D004346:Drug Information Services; D006710:Homocysteine / Q000097:blood; D006801:Humans; D013607:Tablets; D014805:Vitamin B 12 / Q000008:administration & dosage* / Q000191:economics
D015415:Biomarkers; D004338:Drug Combinations; D013607:Tablets; D006710:Homocysteine; D014805:Vitamin B 12