Cite

    Ho Namkoong et al.. “Comparison of the immunogenicity and safety of polysaccharide and protein-conjugated pneumococcal vaccines among the elderly aged 80 years or older in Japan: An open-labeled randomized study.” Vaccine, vol. 33, no. 2, 2015, pp. 327–332. http://access.bl.uk/ark:/81055/vdc_100025858452.0x00000d