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
Bayer AM, Danysh HE, Garvich M, Gonzalvez G, Checkley W, Alvarez M, Gilman RH. An unforgettable event: a qualitative study of the 1997-98 El Niño in northern Peru. Disasters. 2014 Apr;38(2):351-74. doi: 10.1111/disa.12046