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Tweetations for "The Influence of Response Mode on Study Results: Offering Cigarette Smokers a Choice of Postal or Online Completion of a Survey" in the last year

Peter W Callas, Laura J Solomon, John R Hughes, Amy E Livingston
J Med Internet Res 2010 (Oct 21); 12(4):e46 

ALL TIME (5)  IN THE LAST MONTH (0)  IN THE LAST SIX MONTHS (0)  IN THE LAST YEAR (0)

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