The Lancet
Apr 14, 2012 Volume 379 Number 9824 p1365 – 1460 e48
http://www.thelancet.com/journals/lancet/issue/current
Correspondence
Serotype replacement after pneumococcal vaccination
Kim Mulholland, Catherine Satzke
Serotype replacement after pneumococcal vaccination
William P Hausdorff, Melissa K Van Dyke, Thierry Van Effelterre
Serotype replacement after pneumococcal vaccination
Mark J DiNubile
Serotype replacement after pneumococcal vaccination – Authors’ reply
Daniel M Weinberger, Richard Malley, Marc Lipsitch