AHIRWAR, Sonu; KASHAW, Varsha; SAHU, Ravish; CHOURASIA, Surbhi; RAJORIA, Vaibhav; KUSHWAHA, Prakash. UV Spectrophotometric Method Development and Validation of Butorphanol Tartrate in Bulk Drug and Pharmaceutical Formulation. Journal of Drug Delivery and Therapeutics, India, v. 14, n. 4, p. 77–80, 2024. DOI: 10.22270/jddt.v14i4.6521. Disponível em: https://jddtonline.info/index.php/jddt/article/view/6521. Acesso em: 22 jan. 2026.