Risk of Hypoxia During Flexible Upper GI Endoscopy in Unsedated Patients of a Tertiary Care Public Sector Hospital in Karachi, Pakistan (Gastrointestinal) (Report)
Byline: Asad Usman, Qaiser Jamal, Adeel-ur-Rehman Siddiqui, Shahzaib Pervez, Jahanzaib Pervez and Arfeen Durrani – Email: [email protected] ABSTRACT