[Focal infection & Schönlein-Henoch syndrome].
D005490:Focal Infection; D006801:Humans; D011695:IgA Vasculitis / Q000209:etiology*; D011693:Purpura
FOCAL INFECTION; PURPURA, NONTHROMBOPENIC/etiology and pathogenesis
Infezioni focali e sindrome di Schönlein-Henoch.