Cohen, R., Levy, C., Bonnet, E., Thollot, F., Boucherat, M., Fritzell, B., . . . Varon, E. (2011). Risk factors for serotype 19A carriage after introduction of 7-valent pneumococcal vaccination. BioMed Central.

Cohen, Robert, Corinne Levy, Eric Bonnet, Franck Thollot, Michel Boucherat, Bernard Fritzell, Véronique Derkx, Edouard Bingen, i Emmanuelle Varon. Risk Factors for Serotype 19A Carriage After Introduction of 7-valent Pneumococcal Vaccination. BioMed Central, 2011.

Cohen, Robert, et al. Risk Factors for Serotype 19A Carriage After Introduction of 7-valent Pneumococcal Vaccination. BioMed Central, 2011.