Do drug treatment variables predict cognitive performance in multidrug-treated opioid-dependent patients? A regression analysis study
Substance Abuse Treatment Prevention and Policy (2012) - Comment
pubmed: 23121989  doi: 10.1186/1747-597x-7-45  issn: 1747-597x 

Pekka Rapeli, Carola Fabritius, Hely Kalska, Hannu Alho