G. I. Mejía Mesa, M. Luján Piedrahita, J. Robledo Restrepo, and H. Trujillo Soto, “In-Vitro Sensitivity of Isolates of Streptococcus pneumoniae and Haemophilus influenzae to antibiotics in Medellin, Colombia”, Med UPB, vol. 19, no. 2, pp. 129–141, Dec. 2000, Accessed: Aug. 02, 2026. [Online]. Available: https://revistas.upb.edu.co/index.php/medicina/article/view/3500