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Comment
. 2006 Aug 1;164(3):296.
doi: 10.1093/aje/kwj244. Epub 2006 Jun 15.

Re: "Increasing response to mailed questionnaires by including a pencil/pen"

Paul Sacco
Comment

Re: "Increasing response to mailed questionnaires by including a pencil/pen"

Paul Sacco. Am J Epidemiol. .
No abstract available

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