Effect of preoperative pneumococcal immunization on the incidence of respiratory infection in the postoperative period of cardiac surgery. Research, Society and Development, [S. l.], v. 10, n. 4, p. e11410413982, 2021. DOI: 10.33448/rsd-v10i4.13982. Disponível em: https://rsdjournal.org/rsd/article/view/13982. Acesso em: 5 dec. 2025.