Jeffrey H. Samet, Evgeny M. Krupitsky, Debbie M. Cheng, Anita Raj, Valentina Y. Egorova, Suzette Levenson, Seville Meli, Carly Bridden, Elena V. Verbitskaya, Mary L. Kamb and Edwin E. Zvartau
Addiction 103 ( 9 ): 1474 - 1483 , 2008