M. Alwan S, H. Kadhim A. Synthesis of New Cephalosporins of Expected Improved Activity and Resistance Against -Lactamases. Iraqi Journal of Pharmaceutical Sciences [Internet]. 2017 Mar. 27 [cited 2025 May 1];23(2):24-32. Available from: https://www.bijps.uobaghdad.edu.iq/index.php/bijps/article/view/386