An Exploratory Study of Inhalers and Injectors Who Used Black Tar Heroin.
Center for Social Work Research, University of Texas at Austin, 1717 West 6th Street, Suite 335, Austin, TX 78703 ( ).
J Maint Addict 2005 24;3(1):47-59. Epub 2008 Oct 24.
Psychiatry Department, University of California, San Francisco.