Showing results 1 to 2 of 2
Title | Author(s) | Issue Date | |
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2002 | |||
The effects of cash and lottery incentives on mailed surveys to physicians: A randomized trial Journal:Journal of Clinical Epidemiology | 2002 |
Title | Author(s) | Issue Date | |
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2002 | |||
The effects of cash and lottery incentives on mailed surveys to physicians: A randomized trial Journal:Journal of Clinical Epidemiology | 2002 |