Published in Vaccine Weekly, November 14th, 2007
"This study examined the effectiveness of influenza vaccine in seniors over the long term while addressing potential bias and residual confounding in the results. Methods Data were pooled from 18 cohorts of community-dwelling elderly members of one USA. health maintenance organization (HMO) for 1990-1991 through...
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Source: Vaccine Weekly (2007-11-14)
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