The Effect of Conducting a Lottery on Questionnaire...

The Effect of Conducting a Lottery on Questionnaire Response Rates: A Randomised Controlled Trial

Mette Aadahl and Torben Jørgensen
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Volume:
18
Year:
2003
Language:
english
Journal:
European Journal of Epidemiology
DOI:
10.2307/3582940
File:
PDF, 594 KB
english, 2003
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