Icro Maremmani, Orietta Zolesi, Mirella Aglietti, Giada Marini, Alessandro Tagliamonte, Marc Shinderman, Sarz Maxwell,
Methadone dose and retention during treatment of heroin addicts with Axis I psychiatric comorbidity. Journal of Addictive Diseases. ,vol. 19, pp. 29- 41 ,(2000) ,
10.1300/J069V19N02_03