Development and characterization of transdermal therapeutics system of tramadol hydrochloride. Asian Journal of Pharmaceutics (AJP), [S. l.], v. 2, n. 4, 2014. DOI: 10.22377/ajp.v2i4.191. Disponível em: https://www.asiapharmaceutics.info/index.php/ajp/article/view/191. Acesso em: 15 apr. 2026.