B., P. P. V. V.; KONDA, V. C. R.; K., L. A prospective, randomized, double blind, comparative study of intramuscular nalbuphine hydrochloride, butorphanol tartrate and pentazocine lactate for post-operative pain relief following abdominal hysterectomy. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 5, n. 6, p. 2326–2331, 2016. DOI: 10.18203/2319-2003.ijbcp20164049. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/9. Acesso em: 31 jan. 2026.