ULTRASOUND VERSUS MAGNETIC RESONANCE CHOLANGIO-PANCREATOGRAPHY IN THE DIAGNOSIS OF SUSPECTED EXTRA-HEPATIC INTRINSIC BILIARY OBSTRUCTION. IRAQI JMS [Internet]. 2016 Mar. 29 [cited 2025 May 10];11(4). Available from: https://iraqijms.net/index.php/jms/article/view/126