EL-ASSAL, MONA IBRAHIM, and NAGWAN GALAL EL-MENOFY. 2019. “CHITOSAN NANOPARTICLES AS DRUG DELIVERY SYSTEM FOR CEPHALEXIN AND ITS ANTIMICROBIAL ACTIVITY AGAINST MULTIIDRUG RESISTENT BACTERIA”. International Journal of Pharmacy and Pharmaceutical Sciences 11 (7), 14-27. https://doi.org/10.22159/ijpps.2019v11i7.33375.