Lee M Hampton, Elizabeth R Zell, Stephanie Schrag, & Adam L Cohen. (2012). Sentinel versus population-based surveillance of pneumococcal conjugate vaccine effectiveness. The World Health Organization.
Chicago Style (17th ed.) CitationLee M Hampton, Elizabeth R Zell, Stephanie Schrag, and Adam L Cohen. Sentinel Versus Population-based Surveillance of Pneumococcal Conjugate Vaccine Effectiveness. The World Health Organization, 2012.
MLA (9th ed.) CitationLee M Hampton, et al. Sentinel Versus Population-based Surveillance of Pneumococcal Conjugate Vaccine Effectiveness. The World Health Organization, 2012.
Warning: These citations may not always be 100% accurate.