Cost-effective policy option in launching a community-based pneumococcal vaccination program among the elderly in Japan. Ageing Research, [S. l.], v. 3, n. 1, p. e8, 2012. DOI: 10.4081/ar.2012.e8. Disponível em: https://journals.pagepress.net/ar/article/view/ar.2012.e8. Acesso em: 25 may. 2026.