Development and investigation of in-vitro sustained release potential of montmorillonite-chitosan microbeads of cefaclor. Journal of Pharmaceutical Negative Results, [S. l.], p. 4307–4315, 2022. DOI: 10.47750/pnr.2022.13.S08.547. Disponível em: https://mail.pnrjournal.com/index.php/home/article/view/6341.. Acesso em: 13 jun. 2026.