[Case of allergy caused by vitamin B 12].
D000328:Adult; D004342:Drug Hypersensitivity / Q000209:etiology*; D005260:Female; D006801:Humans; D014805:Vitamin B 12 / Q000009:adverse effects*
D014805:Vitamin B 12
Sluchaĭ allergii, vyzvannoĭ vitaminom B 12.