RIVERA-MATOS, Idalia R.; RIOS-OLIVARES, Eddy. A Multicenter Hospital Surveillance of Invasive Streptococcus pneumoniae, Puerto Rico, 2001. Puerto Rico Health Sciences Journal, [S. l.], v. 24, n. 3, 2005. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/351. Acesso em: 5 nov. 2025.