Nonmedical prescription opioid use and illegal drug use: initiation trajectory and related risks among people who use illegal drugs in Vancouver, Canada
    BCCSU > Ekaterina Nosova, Kanna Hayashi, Kora DeBeck, Robert Hogg, Tessa Cheng, Thomas Kerr, Will Small > Nonmedical prescription opioid use and illegal drug use: initiation trajectory and related risks among people who use illegal drugs in Vancouver, Canada

Cheng T, Small W, Nosova E, Hogg RS, Hayashi K, Kerr T, DeBeck K Nonmedical prescription opioid use and illegal drug use: initiation trajectory and related risks among people who use illegal drugs in Vancouver, Canada BMC Res Notes PubMed