title: Ulcerative colitis in Henoch-Schönlein purpura: which came first, the chicken or the egg?
authors.forename: A
authors.initials: A
authors.lastname: Tursi
authors.forename: C D
authors.initials: CD
authors.lastname: Inchingolo
mesh_terms: D000328:Adult; D003093:Colitis, Ulcerative / Q000150:complications / Q000473:pathology*; D006801:Humans; D011695:IgA Vasculitis / Q000150:complications / Q000473:pathology*; D008297:Male