Enclosing a pen with a postal questionnaire can...

Journal of Clinical Epidemiology 2006 Vol. 59; Iss. 7

Enclosing a pen with a postal questionnaire can significantly increase the response rate

Linda Sharp, Claire Cochran, Seonaidh C. Cotton, Nicola M. Gray, Marie E. Gallagher
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Volume:
59
Year:
2006
Language:
english
DOI:
10.1016/j.jclinepi.2005.10.014
File:
PDF, 159 KB
english, 2006
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