Latif, R., Nazneen, Z., Khattak, R., Shah, A. A., Siddiqi, A., Aaqil, B., & Mehmood, Q. (2020). Nalbuphine and Tramadol in the treatment of post spinal anesthesia shivering: a randomized control study. Pakistan Journal of Physiology, 16(4), 17–20. https://doi.org/10.69656/pjp.v16i4.1263