Authors
Department of Gastroenterology with Endoscopy Unit, Medical University of Lublin, Lublin, Poland
© 2019 Agata Michalak, Katarzyna Laskowska, Piotr Radwan, Beata Kasztelan-Szczerbinska, Marek Cybulski, Halina Cichoz-Lach, published by Sciendo
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