Effectiveness of pneumococcal conjugate vaccine.
O'Brien
Katherine L
KL
Center for American Indian Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA. klobrien@jhsph.edu
Levine
Orin S
OS
D002675:Child, Preschool; D006801:Humans; D007223:Infant; D022242:Pneumococcal Vaccines; D011014:Pneumonia / Q000517:prevention & control*; D016032:Randomized Controlled Trials as Topic
D022242:Pneumococcal Vaccines