Sardar, MH, MAR Howdar, MU Malik, AM Appolo, MS Islam, KAK Azad, and MM Hossain. 2012. “Clinical Study of Upper Abdominal Pain in Hospitalised Patients in Medicine Unites of a Medical College in Dhaka City (Study of 104 Cases)”. Journal of Dhaka Medical College 20 (2):124-33. https://doi.org/10.3329/jdmc.v20i2.10538.