This paper is in the following e-collections/theme issues:

Internet-based Survey & Research Methodology  Research Participants Recruitment and Engagement 


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Tweetations for "Bias in Online Recruitment and Retention of Racial and Ethnic Minority Men Who Have Sex With Men" in the last year

Patrick S. Sullivan, Christine M. Khosropour, Nicole Luisi, Matthew Amsden, Tom Coggia, Gina M. Wingood, Ralph J. DiClemente
J Med Internet Res 2011 (May 13); 13(2):e38 

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