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Further Evidence for Bias in Observational Studies of Influenza Vaccine Effectiveness: The 2009 Influenza A(H1N1) Pandemic
Jackson, M. L., Yu, O., Nelson, J. C., Naleway, A., Belongia, E. A., Baxter, R., Narwaney, K., Jacobsen, S. J., Shay, D. K., Jackson, L. A.Volume:
178
Language:
english
Journal:
American Journal of Epidemiology
DOI:
10.1093/aje/kwt124
Date:
October, 2013
File:
PDF, 261 KB
english, 2013