Shareef , T. N. T., Ali , Z. S., & ziz, Z. W. A. (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), 2733–2756. https://doi.org/10.52845/CMRO/2024/7-6-5