Gastrointestinal tract changes in the course of Henoch-Schönlein purpura – Case report Journal title: Medycyna Ogólna i Nauki o Zdrowiu Authors: Andrzej Prystupa, Małgorzata Dec, Jerzy Baraniak, Jerzy Mosiewicz Subject(s): Orthopedics, Health Care Sciences & Services, Medicine, Research & Experimental, Public, Environmental & Occupational Health, Primary Health Care