Lucas A, Wilson M, Sings HL, Pugh S, Jones D, Farkouh R, Gessner B, Wasserman M. Estimating the vaccine effectiveness against serotype 3 for the 13-valent pneumococcal conjugate vaccine: a dynamic modeling approach. International journal of infectious diseases and therapy. 2019 Dec;4(4):56-66. doi: 10.11648/j.ijidt.20190404.12
Mahon BE, Ehrenstein V, Norgaard M, Pedersen L, Rothman KJ, Sorensen HT. Perinatal risk factors for hospitalization for pneumococcal disease in childhood: a population-based cohort study. Pediatrics. 2007 Apr 1;119(4):e804-12.