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Monitoring the Introduction of Pneumococcal Conjugate Vaccines into West Africa: Design and Implementation of a Population-Based Surveillance System
Mackenzie GA,
Plumb ID,
Sambou S,
Saha D,
Uchendu U,
et al.
(2012)
Monitoring the Introduction of Pneumococcal Conjugate Vaccines into West Africa: Design and Implementation of a Population-Based Surveillance System.
PLOS Medicine 9(1): e1001161.
https://doi.org/10.1371/journal.pmed.1001161