Pneumococcal conjugate vaccine 13 delivered as one primary and one booster dose (1 + 1) compared with two primary doses and a booster (2 + 1) in UK infants: a multicentre, parallel group randomised controlled trial
2017 · The Lancet Infectious Diseases · 126 citations
https://doi.org/10.1016/s1473-3099(17)30654-0