Conducting Randomized Trials in General Practice: Methodological and Practical Issues
British Journal of General Practice 1999 November; 49(448): 919-922
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Trials Within Trials? Researcher, Funder and Ethical Perspectives on the Practicality and Acceptability of Nesting Trials of Recruitment Methods in Existing Primary Care Trials Graffy, Jonathan; Bower, Peter; Ward, Elaine; Wallace, Paul; Delaney, Brendan; Kinmonth, Ann-Louise; Collier, David; Miller, Julia (2010-04-30)Trials frequently encounter difficulties in recruitment, but evidence on effective recruitment methods in primary care is sparse. A robust test of recruitment methods involves comparing alternative methods using a randomized ...