[1] The preventable burden of pneumococcal disease in the developing world

[2] A trial of a 9-valent pneumococcal conjugate vaccine in children with and those without HIV infection

[3] Pneumococcal conjugate vaccine for childhood immunization--WHO position paper

[4] Pneumococcal vaccination in splenectomised cancer patients

[5] Pneumococcal vaccines WHO position paper - 2012 - recommendations

[6] Efficacy of nine-valent pneumococcal conjugate vaccine against pneumonia and invasive pneumococcal disease in The Gambia: randomised, double-blind, placebo-controlled trial

[7] Decline in invasive pneumococcal disease after the introduction of protein-polysaccharide conjugate vaccine

[8] Effectiveness of 7-valent pneumococcal conjugate vaccine against invasive pneumococcal disease in HIV-infected and -uninfected children in south africa: a matched case-control study

[9] Pneumococcal coinfection with human metapneumovirus

[10] The effectiveness of pneumococcal polysaccharide vaccine 23 (PPV23) in the general population of 50 years of age and older: A systematic review and meta-analysis