Media type: E-Article Title: Effectiveness of seven-valent pneumococcal conjugate vaccine Contributor: Beutels, Philippe; Van Damme, Pierre imprint: Elsevier BV, 2007 Published in: The Lancet Language: English DOI: 10.1016/s0140-6736(07)60223-2 ISSN: 0140-6736 Keywords: General Medicine Origination: Footnote: