TY - JOUR KW - Adult KW - Analgesics, Opioid/therapeutic use KW - Canada KW - Female KW - HCV prevention KW - HIV prevention KW - Humans KW - Logistic Models KW - Male KW - Methadone KW - Middle Aged KW - Odds Ratio KW - Opiate Substitution Treatment/psychology/statistics & numerical data KW - opioid agonist treatment KW - Opioid-Related Disorders/drug therapy/psychology KW - Overdose prevention KW - persons who inject drugs KW - Prospective Studies KW - Suboxone KW - Substance Abuse, Intravenous/prevention & control/psychology KW - Treatment as prevention AU - M. L. Mittal AU - S. Jain AU - S. Sun AU - K. DeBeck AU - M. J. Milloy AU - K. Hayashi AU - S. E. Hadland AU - D. Werb A1 - BT - Drug and alcohol dependence C5 - Opioids & Substance Use CY - Ireland JF - Drug and alcohol dependence PB - . Published by Elsevier B.V PP - Ireland PY - 2019 SN - 1879-0046; 0376-8716 SP - 354 EP - 360 EP - T1 - Opioid agonist treatment and the process of injection drug use initiation T2 - Drug and alcohol dependence TI - Opioid agonist treatment and the process of injection drug use initiation U1 - Opioids & Substance Use U2 - 30922483 VL - 197 VO - 1879-0046; 0376-8716 Y1 - 2019 ER -