Comparison between tramadol hydrochloride & nalbuphine hydrochloride in the treatment of per-operative shivering after spinal anaesthesia. Mymensingh Medical Journal, [S. l.], v. 20, n. 2, p. 201–205, 2011. DOI: 10.3329/mmj.v20i2.8281. Disponível em: https://www.banglajol.info/index.php/MMJ/article/view/8281. Acesso em: 26 jun. 2026.