How effective is 13-valent pneumococcal conjugate vaccine (PCV13) combined with 23-valent pneumococcal polysaccharide vaccine (PPSV23)?. UCC Student Medical Journal, [S. l.], v. 2, p. 29–37, 2024. DOI: 10.33178/SMJ.2021.1.3. Disponível em: https://journals.ucc.ie/index.php/smj/article/view/4311.. Acesso em: 16 oct. 2024.