Gender differences among in- and out-of-treatment opioid-addicted individuals. 

Kelly SM, Schwartz RP, O’Grady KE, Mitchell SG, Reisinger HS, Peterson JA, Agar MH, Brown BS (2009). Gender differences among in- and out-of-treatment opioid-addicted individuals. American Journal of Drug and Alcohol Abuse. 35, 38-42.