Khan MMR, Wahab MA, Yasin MM, Zafreen F. Appropriateness of Referral for Upper Gastrointestinal Endoscopy in a Tertiary Care Hospital. J. Armed Forces Med. Coll. [Internet]. 2020 Mar. 10 [cited 2024 Dec. 24];14(2):152-5. Available from: https://banglajol.info/index.php/JAFMC/article/view/45897