| Ayahuasca-assisted therapy for addiction: results from a preliminary observational study in Canada G Thomas, P Lucas, NR Capler, KW Tupper, G Martin Curr Drug Abuse Rev 6 (1), 30-42, 2013 | 400 | 2013 |
| Cannabis for therapeutic purposes: patient characteristics, access, and reasons for use Z Walsh, R Callaway, L Belle-Isle, R Capler, R Kay, P Lucas, S Holtzman International Journal of Drug Policy 24 (6), 511-516, 2013 | 354 | 2013 |
| Medical cannabis access, use, and substitution for prescription opioids and other substances: A survey of authorized medical cannabis patients P Lucas, Z Walsh International Journal of Drug Policy 42, 30-35, 2017 | 298 | 2017 |
| Patterns of medicinal cannabis use, strain analysis, and substitution effect among patients with migraine, headache, arthritis, and chronic pain in a medicinal cannabis cohort EP Baron, P Lucas, J Eades, O Hogue The journal of headache and pain 19, 1-28, 2018 | 212 | 2018 |
| Substituting cannabis for prescription drugs, alcohol and other substances among medical cannabis patients: The impact of contextual factors P Lucas, Z Walsh, K Crosby, R Callaway, L Belle‐Isle, R Kay, R Capler, ... Drug and alcohol review 35 (3), 326-333, 2016 | 172 | 2016 |
| Cannabis as an adjunct to or substitute for opiates in the treatment of chronic pain P Lucas Journal of psychoactive drugs 44 (2), 125-133, 2012 | 166 | 2012 |
| Survey of medicinal cannabis use among childbearing women: patterns of its use in pregnancy and retroactive self-assessment of its efficacy against ‘morning sickness’ RE Westfall, PA Janssen, P Lucas, R Capler Complementary Therapies in Clinical Practice 12 (1), 27-33, 2006 | 159 | 2006 |
| Medical cannabis patterns of use and substitution for opioids & other pharmaceutical drugs, alcohol, tobacco, and illicit substances; results from a cross-sectional survey of … P Lucas, EP Baron, N Jikomes Harm reduction journal 16, 1-11, 2019 | 133 | 2019 |
| Cannabis as a substitute for alcohol and other drugs: A dispensary-based survey of substitution effect in Canadian medical cannabis patients P Lucas, A Reiman, M Earleywine, SK McGowan, M Oleson, MP Coward, ... Addiction Research & Theory 21 (5), 435-442, 2013 | 133 | 2013 |
| A ‘standard joint’? The role of quantity in predicting cannabis-related problems C Zeisser, K Thompson, T Stockwell, C Duff, C Chow, K Vallance, A Ivsins, ... Addiction Research & Theory 20 (1), 82-92, 2012 | 131 | 2012 |
| Barriers to access for Canadians who use cannabis for therapeutic purposes L Belle-Isle, Z Walsh, R Callaway, P Lucas, R Capler, R Kay, S Holtzman International Journal of Drug Policy 25 (4), 691-699, 2014 | 117 | 2014 |
| Rationale for cannabis-based interventions in the opioid overdose crisis P Lucas Harm reduction journal 14, 1-6, 2017 | 115 | 2017 |
| Exploring ayahuasca‐assisted therapy for addiction: A qualitative analysis of preliminary findings among an Indigenous community in Canada E Argento, R Capler, G Thomas, P Lucas, KW Tupper Drug and alcohol review 38 (7), 781-789, 2019 | 84 | 2019 |
| Regulating compassion: An overview of Canada's federal medical cannabis policy and practice PG Lucas Harm Reduction Journal 5, 1-13, 2008 | 77 | 2008 |
| Cannabis use behaviors and prevalence of anxiety and depressive symptoms in a cohort of Canadian medicinal cannabis users J Turna, W Simpson, B Patterson, P Lucas, M Van Ameringen Journal of psychiatric research 111, 134-139, 2019 | 63 | 2019 |
| Hallucinogen use and intimate partner violence: Prospective evidence consistent with protective effects among men with histories of problematic substance use Z Walsh, PS Hendricks, S Smith, DS Kosson, MS Thiessen, P Lucas, ... Journal of Psychopharmacology 30 (7), 601-607, 2016 | 62 | 2016 |
| Are dispensaries indispensable? Patient experiences of access to cannabis from medical cannabis dispensaries in Canada R Capler, Z Walsh, K Crosby, L Belle-Isle, S Holtzman, P Lucas, ... International Journal of Drug Policy 47, 1-8, 2017 | 55 | 2017 |
| Cannabis significantly reduces the use of prescription opioids and improves quality of life in authorized patients: results of a large prospective study P Lucas, S Boyd, MJ Milloy, Z Walsh Pain Medicine 22 (3), 727-739, 2021 | 53 | 2021 |
| It can't hurt to ask; a patient-centered quality of service assessment of health canada's medical cannabis policy and program P Lucas Harm Reduction Journal 9, 1-11, 2012 | 41 | 2012 |
| Moral regulation and the presumption of guilt in Health Canada's medical cannabis policy and practice P Lucas International Journal of Drug Policy 20 (4), 296-303, 2009 | 38 | 2009 |
