[Etiologic survey of Schönlein-Henoch rheumatoid purpura].
D006801:Humans; D011693:Purpura / Q000150:complications* / Q000209:etiology; D012216:Rheumatic Diseases / Q000150:complications* / Q000209:etiology
L'enquête étiologique dans le prupura rhumatoide de Schönlein-Henoch.