Letter: Unusual gastrointestinal manifestations of Henoch-Schönlein purpura.
D001064:Appendicitis / Q000175:diagnosis*; D002648:Child; D003424:Crohn Disease / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D011695:IgA Vasculitis / Q000175:diagnosis*; D008297:Male