Superior efficacy of cognitive-behavioral therapy for urban crack cocaine abusers: Main and matching effects.Peg M. Maude‐Griffin, Sharon M. Hall, Donald J. Tusel et al.|Journal of Consulting and Clinical Psychology|1998Cited by 159
Contingency contracting with monetary reinforcers for abstinence from multiple drugs in a methadone program.Nancy A. Piotrowski, Sharon M. Hall, Patricia Meek et al.|Experimental and Clinical Psychopharmacology|1999Cited by 47