Cite
MLA Citation
Michael Pichichero et al.. “Effectiveness of 13-valent pneumococcal conjugate vaccination for protection against acute otitis media caused by Streptococcus pneumoniae in healthy young children: a prospective observational study.” Lancet, vol. 2, 2018, pp. 561–568. http://access.bl.uk/ark:/81055/vdc_100066537279.0x000005