Ibrahim , Suhaib K. “Association Between Streptococcus Pneumoniae And COVID-19 Co-Infection in Patients With Severe Respiratory Diseases”. Journal of Biotechnology Research Center 19, no. 2 (March 24, 2025): 5–14. Accessed March 30, 2025. https://jobrc.org/index.php/jobrc/article/view/826.