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Journal of Clinical Epidemiology|September 22, 2007
Using postal randomization to replace telephone randomization had no significant effect on recruitment of patientsStephen D Brealey, Christine Atwell, Stirling Bryan, et al.
BMC Medical Research Methodology|March 1, 2007
Improving response rates using a monetary incentive for patient completion of questionnaires: an observational studyStephen D Brealey, Christine Atwell, Stirling Bryan, et al.
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