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Open Access Open Badges Research article

A bibliometric analysis of childhood immunization research productivity in Africa since the onset of the Expanded Program on Immunization in 1974

Charles S Wiysonge*, Olalekan A Uthman, Peter M Ndumbe and Gregory D Hussey

BMC Medicine 2013, 11:66  doi:10.1186/1741-7015-11-66

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