Şen, Ozan, Dilara Çetin, Göknel Dumanlı, and Ahmet Gökhan Türkçapar. “Nutritional Deficiencies in Morbid Obese Patients Before and After Laparoscopic Sleeve Gastrectomy”. Turkish Journal of Gastroenterology 33, no. 10 (October 15, 2022): 885–890. Accessed May 14, 2026. https://www.turkjgastroenterol.org/index.php/tjg/article/view/3936.