TY - JOUR KW - Adolescent KW - Adult KW - Delayed-Action Preparations KW - Double-Blind Method KW - Female KW - Humans KW - Long-acting injectable naltrexone KW - Male KW - Middle Aged KW - Naltrexone/administration & dosage/therapeutic use KW - Narcotic Antagonists/administration & dosage/therapeutic use KW - opiate dependence KW - Opioid antagonist KW - Opioid-Related Disorders/drug therapy KW - Patient Dropouts/statistics & numerical data KW - Proportional Hazards Models KW - treatment retention KW - Urine toxicology AU - M. A. Sullivan AU - A. Bisaga AU - J. J. Mariani AU - A. Glass AU - F. R. Levin AU - S. D. Comer AU - E. V. Nunes A1 - BT - Drug and alcohol dependence C5 - Opioids & Substance Use CP - 1 CY - Ireland DO - 10.1016/j.drugalcdep.2013.05.030 IS - 1 JF - Drug and alcohol dependence PB - Elsevier Ireland Ltd PP - Ireland PY - 2013 SN - 1879-0046; 0376-8716 SP - 80 EP - 85 EP - T1 - Naltrexone treatment for opioid dependence: does its effectiveness depend on testing the blockade? T2 - Drug and alcohol dependence TI - Naltrexone treatment for opioid dependence: does its effectiveness depend on testing the blockade? U1 - Opioids & Substance Use U2 - 23827259 U3 - 10.1016/j.drugalcdep.2013.05.030 VL - 133 VO - 1879-0046; 0376-8716 Y1 - 2013 ER -