Vitamin B12 in pernicious anaemia; intramuscular or oral.
D000752:Anemia, Pernicious; D006397:Hematinics; D007273:Injections, Intramuscular; D014805:Vitamin B 12 / Q000627:therapeutic use*
D006397:Hematinics; D014805:Vitamin B 12
VITAMIN B12/therapeutic use