[Urticaria due to vitamin B 12 allergy verified by the lymphoblastic transformation test].
D000368:Aged; D004342:Drug Hypersensitivity; D005260:Female; D006801:Humans; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology*; D014581:Urticaria / Q000139:chemically induced*; D014805:Vitamin B 12 / Q000009:adverse effects*
D014805:Vitamin B 12
Urticaire par allergie à la vitamine B 12 contrôlé par le test de transformation lymphoblastique.