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, and 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.