COMPARISON OF INTRAOPERATIVE HIGH OXYGEN AND METOCLOPRAMIDE IN PREVENTION OF POSTOPERATIVE NAUSEA AND VOMITING IN ADULT FEMALE PATIENTS UNDERGOING ELECTIVE LAPAROSCOPIC CHOLECYSTECTOMY - Dr. Sonia Andleeb1, Dr. Hameedullah Samiullah2, Dr. Khalid Samad2, Dr. Inam Gill2 (2019)