Ph-Responsive Gelatin/PEG/Zno Hydrogel Matrix for Controlled Release of Cephalexin: Swelling Behavior, Drug Kinetics, And Antimicrobial Efficacy. International Journal of Environmental Sciences, [S. l.], p. 1472–1490, 2025. DOI: 10.64252/rv46fh31. Disponível em: https://theaspd.com/index.php/ijes/article/view/8550.. Acesso em: 17 apr. 2026.