Klymenko, V. M., and D. V. Syvolap. “Predictors of Hyperamylasemia in Patients With Cholecystolithiasis After Laparoscopic Cholecystolithotomy With Intraoperative Dosed Endoscopic Papillotomy”. Zaporozhye Medical Journal, no. 4, July 2018, doi:10.14739/2310-1210.2018.4.137093.