Crawford, G A <br/><br/>
The dynamics of heroin spread in endemic neighborhoods.  [electronic resource] 

 -  Addictive diseases  1977 
 - 141-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0094-0267 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Black or African American<br/>Chicago<br/>Female<br/>Heroin Dependence--epidemiology<br/>Humans<br/>Male<br/>Time Factors<br/>Urban Population