Shah, Syed Ali Raza Ali, Syeda Sarah Naqvi, and Muhammad Ali Abbas. “Efficacy of Prophylactic Intravenous Administration of Ondansetron for Prevention of Spinal Anesthesia Induced Hypotension in Elderly Patients”. Anaesthesia, Pain & Intensive Care (January 23, 2019): 17-20. Accessed September 19, 2024. https://mail.apicareonline.com/index.php/APIC/article/view/220.