OM PARKASH; UMAR BHATTI; HASNAIN ZAFAR; SAEED HAMID. Demonstrating competence in Endoscopic Retrograde Cholangiopancreaticography (ERCP): recently credentialed operator’s performance for deep biliary cannulation over 1 year period from tertiary care hospital in Pakistan. Journal of the Pakistan Medical Association, [S. l.], v. 71, n. 3, p. 929, 2020. DOI: 10.47391/JPMA.1219. Disponível em: https://www.jpma.org.pk/index.php/public_html/article/view/1329. Acesso em: 27 jul. 2026.