Kremer, Michael <br/><br/>
Preventives versus treatments / 
Michael Kremer and Christopher Snyder 
 - Cambridge  NBER  2015 
 - 61p 
 - NBER Working Paper ;  21012 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 21012<br/>E14436.pdf