Gilbart, E <br/><br/>
Improvement in cumulative response rates following implementation of a financial incentive.  [electronic resource] 

 -  American journal of epidemiology  Jul 1998 
 - 97-9 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0002-9262 
<br/><br/><label>Standard No.: </label>10.1093/oxfordjournals.aje.a009565  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Case-Control Studies<br/>Economics<br/>Female<br/>Humans<br/>Middle Aged<br/>Motivation<br/>Postal Service<br/>Reward<br/>Surveys and Questionnaires