Datta,  Anusua <br/><br/>
Effects of physician-directed pharmaceutical promotion on prescription :  Longitudinal evidence / 
Anusua Datta and Dhaval M. Dave 
 - Cambridge  NBER  2013 
 - 43p 
 - NBER Working Paper ;  19592 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 19592<br/>E10745.pdf