مسعود س., سعد أ. ., and حبيب ص. . “Study of the Results of Surgical and Conservative Management of Gastrointestinal Fistula”. Tishreen University Journal -Medical Sciences Series, vol. 42, no. 4, Oct. 2020, https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/9877.