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

Web-based and Mobile Health Interventions 


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Tweetations for "Social Cognitive Determinants of Nutrition and Physical Activity Among Web-Health Users Enrolling in an Online Intervention: The Influence of Social Support, Self-Efficacy, Outcome Expectations, and Self-Regulation"

Eileen Smith Anderson-Bill, Richard A. Winett, Janet R. Wojcik
J Med Internet Res 2011 (Mar 17); 13(1):e28 

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