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, Akinsola B, Ikumapayi UN, Baldeh I, Usuf E, Touray K, Jasseh M, Howie SR, Wattiaux A, Lee E, Knoll MD, Levine OS, Greenwood BM, Adegbola RA, Hill PC.
Mackenzie GA, et al. Among authors: howie sr.
PLoS Med. 2012 Jan;9(1):e1001161. doi: 10.1371/journal.pmed.1001161. Epub 2012 Jan 17.
PLoS Med. 2012.
PMID: 22272192
Free PMC article.