Are Henoch-Schönlein purpura and hypersensitivity vasculitis in adults truly distinct entities? A dermatologist's perspective.
Callen
J P
JP
D003880:Dermatology / Q000379:methods*; D006801:Humans; D011695:IgA Vasculitis / Q000145:classification*; D018366:Vasculitis, Leukocytoclastic, Cutaneous / Q000145:classification*