Shil, B.C., Saha, M., Uddin, M.R., Saifullah, A., Habib, M.R., Mahbub, I. and Rashid, M.U. 2021. Impact of Endoscopic Ultrasound in Evaluation of Upper Abdominal Pain. Medicine Today. 33, 1 (Feb. 2021), 1–6. DOI:https://doi.org/10.3329/medtoday.v33i1.52148.