Pekmezović, S., Blagojević, S., Jašović, B., Čotrić, V., Pejović, J., & Mutavdžić Divac, S. (2026). Invasive pneumococcal disease in children - a case report of pneumonia with pleural effusion and septicemia. PONS - Medicinski časopis, 22(2). https://doi.org/10.5937/pomc22-63483