Kevser ONBAŞI, Fulya GÜNŞAR, Aytül Z. SİN, Ömür ARDENİZ, Ali KOKULUDAĞ, and Filiz SEBİK, “Common variable immunodeficiency (CVID) presenting with malabsorption due to giardiasis”, Turkish Journal of Gastroenterology, vol. 16, no. 2, pp. 111–113, Jul. 2019.