B. N. Choudhury, U. J. Deka, B. J. Baruah, M. Bhattachayya, P. Sarma, and P. Debroy, “Indications, outcomes and complications of therapeutic endoscopic retrograde cholangiopancreatography procedures in a tertiary care centre in North East India”, Int J Res Med Sci, vol. 8, no. 7, pp. 2606–2611, Jun. 2020.