[Allergic purpura and erythema multiforme during acute articular rheumatism; immunological study].
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000150:complications*; D004892:Erythema Multiforme / Q000150:complications*; D006801:Humans; D011695:IgA Vasculitis / Q000150:complications*; D011693:Purpura; D012213:Rheumatic Fever
ARTHRITIS, RHEUMATOID/complications; ERYTHEMA MULTIFORME/complications; PURPURA, NONTHROMBOPENIC/complications