Savage, R., Whelan, M., Johnson, I., Rea, E., LaFreniere, M., Rosella, L. C., . . . Crowcroft, N. S. (2011). Assessing secondary attack rates among household contacts at the beginning of the influenza A (H1N1) pandemic in Ontario, Canada, April-June 2009: A prospective, observational study. BioMed Central.
Παραπομπή Chicago StyleSavage, Rachel, et al. Assessing Secondary Attack Rates Among Household Contacts At the Beginning of the Influenza A (H1N1) Pandemic in Ontario, Canada, April-June 2009: A Prospective, Observational Study. BioMed Central, 2011.
Παραπομπή MLASavage, Rachel, et al. Assessing Secondary Attack Rates Among Household Contacts At the Beginning of the Influenza A (H1N1) Pandemic in Ontario, Canada, April-June 2009: A Prospective, Observational Study. BioMed Central, 2011.