Hassam Bhalli, H.A. et al. 2023. Comparison of Pregabalin and Gabapentin as Pre-emptive Analgesics in Patients Undergoing Abdominal Surgeries. Pakistan Armed Forces Medical Journal. 73, 2 (Apr. 2023), 321–24. DOI:https://doi.org/10.51253/pafmj.v73i2.8165.