Udden F, Filipe M, Slotved HC, Yamba-Yamba L, et al. Pneumococcal carriage among children aged 4 - 12 years in Angola 4 years after the introduction of a pneumococcal conjugate vaccine. Vaccine 2020 Oct 31. pii: S0264-410X(20)31369.
PMID: 33143954