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

ISRII Theme Issue 2013  Research Participants Recruitment and Engagement 


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Tweetations for "Using Google AdWords for International Multilingual Recruitment to Health Research Websites" in the last year

Margaret S Gross, Nancy H Liu, Omar Contreras, Ricardo F Muñoz, Yan Leykin
J Med Internet Res 2014 (Jan 20); 16(1):e18 

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