Coskun, S., Baha Demirbas, T., Tevfik Uprak, K., Emre Atici, A., & Sevket Yegen, C. (2021). Effects of preoperative drainage on postoperative complications in patients with periampullary tumors . Annals of Medical Research, 26(7), 1301–1308. Retrieved from http://www.annalsmedres.org/index.php/aomr/article/view/1277