This paper is in the following e-collection/theme issue:

Internet-based Survey & Research Methodology 


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Tweetations for "Predictors of Retention in an Online Follow-up Study of Men Who Have Sex With Men" in the last 6 months

Christine M Khosropour, Patrick S Sullivan
J Med Internet Res 2011 (Jul 11); 13(3):e47 

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

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