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Questionnaire order significantly increased response to a postal survey sent to primary care physicians
Frances J. Drummond, Linda Sharp, Anne-Elie Carsin, Tracy Kelleher, Harry ComberVolume:
61
Year:
2008
Language:
english
DOI:
10.1016/j.jclinepi.2007.04.012
File:
PDF, 210 KB
english, 2008