AU - Erbil, Ozan AndaƧ TI - How long does it take to be an ERCP expert? PT - Journal Article DP - 2021 TA - Laparosc Endosc Surg Sci PG - 148-157 VI - 28 IP - 3 AID - 10.14744/less.2021.68553 [doi] 4100 - https://dx.doi.org/10.14744/less.2021.68553 SO - Laparoscopic Endoscopic Surgical Science (LESS), 2021 28(3):148