MEHULKUMAR, Patel; R, Mukesh; MIDDHA, Anil. Na-Tpp Cross-Linked Chitosan Microspheres for Controlled Release Of Tramadol Hydrochloride. Asian Journal of Pharmaceutical Research and Development, [S. l.], v. 1, n. 1, p. 86–95, 2013. Disponível em: https://ajprd.com/index.php/journal/article/view/18. Acesso em: 15 may. 2024.