Anwar Hussain Abbasi, Aleena Shahid, Hina Andaleeb, Khawaja Ashfaq Ahmed and Nadeem Yousuf 2023. Indications, complications and outcomes of patients undergoing endoscopic retrograde cholangio pancreatography at Rawal institute of health sciences, Islamabad. BMC Journal of Medical Sciences. 4, 1 (Mar. 2023), 31–35.