Jacek Karczewski, Barbara Poniedzialek, Rzymski Piotr, and Mazur Malgorzata. “Different Effect of Smoking on Genders in Crohn’s Disease”. Turkish Journal of Gastroenterology 26, no. 2 (July 25, 2019): 133–139. Accessed July 25, 2025. https://tjg.avesjournals.com/index.php/tjg/article/view/3116.