Ali Hasan, Waseem. 2023. “Differential Study of Antimicrobial Activity of Vancomycin and Teicoplanin (Targocid) Against Strains of Staphylococcus Aureus and Streptococci Sp. ”. Tikrit Journal of Pharmaceutical Sciences 5 (2):203-7. https://doi.org/10.25130/tjphs.2009.5.2.11.203.207.