PEBODY, R., HIPPISLEY-COX, J., HARCOURT, S., PRINGLE, M., PAINTER, M., & SMITH, G. (2008). Uptake of pneumococcal polysaccharide vaccine in at-risk populations in England and Wales 1999–2005. Cambridge University Press.

PEBODY, R. G., J. HIPPISLEY-COX, S. HARCOURT, M. PRINGLE, M. PAINTER, و G. SMITH. Uptake of Pneumococcal Polysaccharide Vaccine in At-risk Populations in England and Wales 1999–2005. Cambridge University Press, 2008.

PEBODY, R. G., et al. Uptake of Pneumococcal Polysaccharide Vaccine in At-risk Populations in England and Wales 1999–2005. Cambridge University Press, 2008.