Guindalini, Camila <br/><br/>
Concurrent crack and powder cocaine users from Sao Paulo: do they represent a different group?  [electronic resource] 

 -  BMC public health  Jan 2006 
 - 10 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1471-2458 
<br/><br/><label>Standard No.: </label>10.1186/1471-2458-6-10  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Administration, Inhalation<br/>Administration, Intranasal<br/>Adolescent<br/>Adult<br/>Analysis of Variance<br/>Brazil--epidemiology<br/>Chi-Square Distribution<br/>Cocaine-Related Disorders--epidemiology<br/>Crack Cocaine--administration & dosage<br/>Cross-Sectional Studies<br/>Female<br/>Humans<br/>Illicit Drugs<br/>Male<br/>Middle Aged<br/>Patient Education as Topic<br/>Powders<br/>Risk-Taking<br/>Substance Abuse, Intravenous--epidemiology<br/>Surveys and Questionnaires<br/>Urban Population