Calsyn, D A <br/><br/>
Urine screening practices in methadone maintenance clinics. A survey of how the results are used.  [electronic resource] 

 -  The Journal of nervous and mental disease  Apr 1991 
 - 222-7 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0022-3018 
<br/><br/><label>Standard No.: </label>10.1097/00005053-199104000-00008  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Community Mental Health Centers--standards<br/>Heroin Dependence--rehabilitation<br/>Humans<br/>Illicit Drugs--analysis<br/>Laboratories--economics<br/>Methadone--therapeutic use<br/>Population<br/>Specimen Handling--economics<br/>Substance-Related Disorders--rehabilitation<br/>Surveys and Questionnaires<br/>United States<br/>Urine--chemistry