Leach, A. J., Morris, P. S., McCallum, G. B., Wilson, C. A., Stubbs, L., Beissbarth, J., . . . Smith-Vaughan, H. C. (2009). Emerging pneumococcal carriage serotypes in a high-risk population receiving universal 7-valent pneumococcal conjugate vaccine and 23-valent polysaccharide vaccine since 2001. BioMed Central.

Leach, Amanda J., Peter S. Morris, Gabrielle B. McCallum, Cate A. Wilson, Liz Stubbs, Jemima Beissbarth, Susan Jacups, Kim Hare, e Heidi C. Smith-Vaughan. Emerging Pneumococcal Carriage Serotypes in a High-risk Population Receiving Universal 7-valent Pneumococcal Conjugate Vaccine and 23-valent Polysaccharide Vaccine Since 2001. BioMed Central, 2009.

Leach, Amanda J., et al. Emerging Pneumococcal Carriage Serotypes in a High-risk Population Receiving Universal 7-valent Pneumococcal Conjugate Vaccine and 23-valent Polysaccharide Vaccine Since 2001. BioMed Central, 2009.