Almostaffa, Osamah Omar, Hassan Zaizafoun, and Milad Antonios. 2021. “Study  of Patients  undergoing  Endoscopic  Retrograde Cholangiopancreatography (ERCP) at Tishreen University Hospital in Lattakia – Syria”. Journal of Medical and Pharmaceutical Sciences 5 (4): 43-35. https://doi.org/10.26389/AJSRP.F300621.