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Published on 18.11.11 in Vol 13, No 4 (2011): Oct-Dec

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Tweetations for "Impact of Length or Relevance of Questionnaires on Attrition in Online Trials: Randomized Controlled Trial" in the last 6 months

Jim McCambridge, Eleftheria Kalaitzaki, Ian R. White, Zarnie Khadjesari, Elizabeth Murray, Stuart Linke, Simon G. Thompson, Christine Godfrey, Paul Wallace

J Med Internet Res 2011 (Nov 18); 13(4):e96 

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