Hassan, F.; Ahmad, K.; Ayaz, S. B.; Khalil, H. B. SPECTRUM OF FINDINGS IN PATIENTS PRESENTING FOR UPPER GASTROINTESTINAL ENDOSCOPY AT A TERTIARY CARE HOSPITAL AND THE INFLUENCE OF AGE AND GENDER. Pak Armed Forces Med J 2021, 71 (3), 744-48. https://doi.org/10.51253/pafmj.v71i3.2940.