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
Armbruster B, Lucas AM. Effectiveness of a no-sex or safe-sex month in reducing HIV transmission. Bull World Health Organ. 2012 Jul;90(7):477-556. doi: 10.2471/BLT.11.088641