TY - JOUR AU - Lucas, Philippe AU - Baron, Eric P. AU - Jikomes, Nick PY - 2019 DA - 2019/01/28 TI - Medical cannabis patterns of use and substitution for opioids & other pharmaceutical drugs, alcohol, tobacco, and illicit substances; results from a cross-sectional survey of authorized patients JO - Harm Reduction Journal SP - 9 VL - 16 IS - 1 AB - A 239-question cross-sectional survey was sent out via email in January 2017 to gather comprehensive information on cannabis use from Canadian medical cannabis patients registered with a federally authorized licensed cannabis producer, resulting in 2032 complete surveys. SN - 1477-7517 UR - https://doi.org/10.1186/s12954-019-0278-6 DO - 10.1186/s12954-019-0278-6 ID - Lucas2019 ER -