Socías ME, Choi J, Lake S, Wood E, Valleriani J, Hayashi K, Kerr T, Milloy MJ Cannabis use is associated with reduced risk of exposure to fentanyl among people on opioid agonist therapy during a community-wide overdose crisis Drug Alcohol Depend PubMed

Lake S, St. Pierre M The relationship between cannabis use and patient outcomes in medication-based treatment of opioid use disorder: a systematic review Clin Psychol Rev PubMed

Reddon H, DeBeck K, Socías ME, Lake S, Dong H, Hayashi K, Milloy MJ Frequent cannabis use is negatively associated with frequency of injection drug use among people who inject drugs in a Canadian setting Cannabis Cannabinoid Res Link