Cocaine abusers with and without alcohol dependence respond equally well to contingency management treatments
Experimental and Clinical Psychopharmacology (2008) - Comment
pubmed: 18729681  doi: 10.1037/a0012787  issn: 1064-1297  issn: 1936-2293 

Carla J. Rash, Sheila M. Alessi, Nancy M. Petry