Prophylactic Administration of Diphenhydramine/Acetaminophen and Ondansetron Reduced Postoperative Nausea and Vomiting and Pain Following Laparoscopic Sleeve Gastrectomy: a Randomized Controlled Trial - Pourfakhr, Pejman; Aghabagheri, Mojtaba; Zabihi Mahmoudabadi, Hossein; Najjari, Khosrow; Talebpour, Mohammad; Khajavi, Mohammad Reza (Obesity Surgery: The Journal of Metabolic Surgery and Allied Care, 2021)