QuýnhN. X., BìnhN. C., TùngN. L., BìnhM. T. and HảiT. V. (2023) “To evaluate the effect and safety of precut sphincterotomy for difficult biliary cannulation in endoscopic retrograde cholangiopancreatography”, Tạp chí Y Dược lâm sàng 108, 18(6). doi: 10.52389/ydls.v18i6.2015.