Ashfaq M, Qadri AA, Nigar F, . S, Hanif A, Aziz I. Efficacy of Prophylactic Low-Dose Ketamine Versus Tramadol for Prevention of Shivering During Spinal Anesthesia. Pak Armed Forces Med J [Internet]. 2026 Jul. 15 [cited 2026 Jul. 23];76(SUPPL-7). Available from: https://pafmj.org/PAFMJ/article/view/9844