Wahid, M., S. Ali, B. Yasin, K. Farhat, M. Noor, and F. Tassadaq Syed. “Granisetron Versus Ondansetron: Comparison of 5HT3 Antagonists in Preventing Spinal Anaesthesia Induced Hemodynamic Instability in Obstetric Patients”. Pakistan Journal of Medical Sciences, Vol. 38, no. 7, Aug. 2022, doi:10.12669/pjms.38.7.5585.