Petry, Nancy M. <br/><br/>
A behavioral economic analysis of polydrug abuse in heroin addicts 

 - Cambridge, Mass :  National Bureau of Economic Reserch,  1998 
 - 37 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DRUG ABUSE--UNITED STATES--ECONOMIC ASPECTS<br/>ELASTICITY (ECONOMICS)--UNITED STATES<br/>HEROIN--PRICES--UNITED STATES<br/>ECONOMICS--RESEARCH
<br/><br/><label>LC Class. No.: </label>RC564  / P477B