Erkan PARLAK (2019) “A retrospective trial comparing 5-ASA plus ciprofloxacin and metronidazole with 5-ASA and corticosteroids in the treatment of active Crohn’s disease”, Turkish Journal of Gastroenterology, 11(3), pp. 227–230. Available at: https://tjg.avesjournals.com/index.php/tjg/article/view/1653 (Accessed: 7 October 2025).