ULLAH KHAN , I. .; MUGHAL, T. .; KUMAR, P.; NAEEM, N.; FIRDOUS, A.; BIJARANI, A. N. .; GULRAIZ, I. . Compare The Efficacy Of Tramadol Alone With Combination Of Low Dose Ketamine & Tramadol In The Prevention Of Shivering. Journal of Neonatal Surgery, Lahore, Pakistan, v. 13, n. 1, p. 1349–1354, 2024. DOI: 10.63682/jns.v13i1.9277. Disponível em: https://www.jneonatalsurg.com/index.php/jns/article/view/9277. Acesso em: 5 dec. 2025.