Effectiveness of pneumococcal conjugate vaccine against presumed bacterial pneumonia hospitalisation in HIV-uninfected South African children: a case–control study
Shabir A Madhi, Michelle J Groome, Heather J Zar, Constant N Kapongo, Christine Mulligan, Susan Nzenze, David P Moore, Elizabeth R Zell, Cynthia G Whitney, Jennifer R Verani
Thorax Dec 2015, 70 (12) 1149-1155; DOI: 10.1136/thoraxjnl-2014-206593
