Dr. Ashiq Kalam, et al. “A COMPARATIVE STUDY OF HAEMODYNAMIC EFFECTS OF INTRATHECAL VERSUS INTRAVENOUS FENTANYL FOR SUPPLEMENTATION OF SUBARACHNOID BLOCK IN PATIENTS UNDERGOING TOTAL ABDOMINAL HYSTERECTOMY”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 31, no. 11, Nov. 2024, pp. 638-45, https://doi.org/10.53555/wpj24n71.