Showing results 3 to 5 of 5
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Title | Author(s) | Issue Date | |
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The effects of cash and lottery incentives on mailed surveys to physicians: A randomized trial Proceeding/Conference:IEA World Congress of Epidemiology, WCE 2002 | 2002 | ||
The effects of cash and lottery incentives on mailed surveys to physicians: A randomized trial Journal:Journal of Clinical Epidemiology | 2002 | ||
2015 |