Cite
MLA Citation
Grant A Mackenzie et al.. “Impact of the introduction of pneumococcal conjugate vaccination on pneumonia in The Gambia: population-based surveillance and case-control studies.” Lancet infectious diseases, vol. 17, no. 9, n.d., pp. 965–973. http://access.bl.uk/ark:/81055/vdc_100049766263.0x000059