Gastrointestinal hemorrhage in a 21-month-old girl in the course of lymphonodular hyperplasia (LNH). Case report Journal title: Current Issues in Pharmacy and Medical Sciences Authors: Agnieszka Mroczkowska-Juchkiewicz, Dorota Gołyska, Katarzyna Kominek, Elżbieta Pac-Kożuchowska Subject(s):