CILLÓNIZ, C.; TORRES, A. Pneumococcal disease: Epidemiology and new vaccines: Pneumococcal disease. Community Acquired Infection, [S. l.], v. 1, 2014. DOI: 10.4103/2225-6482.147647. Disponível em: https://www.hksmp.com/journals/cai/article/view/208. Acesso em: 19 may. 2024.