ULTRASOUND VERSUS MAGNETIC RESONANCE CHOLANGIO-PANCREATOGRAPHY IN THE DIAGNOSIS OF SUSPECTED EXTRA-HEPATIC INTRINSIC BILIARY OBSTRUCTION. Iraqi Journal of Medical Sciences, [S. l.], v. 11, n. 4, 2016. Disponível em: https://iraqijms.net/index.php/jms/article/view/126. Acesso em: 10 may. 2025.