What's the use of oral vitamin B12?
Metz
J
J
D000284:Administration, Oral; D006710:Homocysteine / Q000097:blood; D006801:Humans; D014805:Vitamin B 12 / Q000008:administration & dosage* / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000097:blood / Q000188:drug therapy*
D006710:Homocysteine; D014805:Vitamin B 12