Shareef , Taha Najwan Tawfeeq, Zainab Sherzad Ali, and Zainab Wadallah A ziz. 2024. “Characterization of Bioactive Secondary Metabolites Produced by Streptococcus Pneumoniae, Mechanism of Colonization, and New Vaccine Strategies”. Journal of Current Medical Research and Opinion 7 (06):2733-56. https://doi.org/10.52845/CMRO/2024/7-6-5.