title: Pathogenesis of anaphylactoid purpura.
mesh_terms: D000941:Antigens; D003176:Complement C3 / Q000032:analysis; D006801:Humans; D011695:IgA Vasculitis / Q000276:immunology*; D007070:Immunoglobulin A / Q000032:analysis; D011414:Properdin / Q000032:analysis
chemical_list: D000941:Antigens; D003176:Complement C3; D007070:Immunoglobulin A; D011414:Properdin