title: Cannabis: monitor policy changes.
authors.affiliation: European Monitoring Centre for Drugs and Drug Addiction, Lisbon, Portugal. lucas.wiessing@emcdda.europa.eu
authors.forename: Lucas
authors.initials: L
authors.lastname: Wiessing
authors.affiliation: European Monitoring Centre for Drugs and Drug Addiction, Lisbon, Portugal.
authors.forename: Brendan
authors.initials: B
authors.lastname: Hughes
authors.affiliation: European Monitoring Centre for Drugs and Drug Addiction, Lisbon, Portugal.
authors.forename: Marica
authors.initials: M
authors.lastname: Ferri
authors.affiliation: European Monitoring Centre for Drugs and Drug Addiction, Lisbon, Portugal.
authors.forename: Paul
authors.initials: P
authors.lastname: Griffiths
authors.affiliation: Icahn School of Medicine at Mount Sinai, New York, New York, USA.
authors.forename: Don
authors.initials: D
authors.lastname: Des Jarlais
mesh_terms: D000329:Advertising / Q000331:legislation & jurisprudence; D000367:Age Factors; D002188:Cannabis / Q000009:adverse effects*; D003415:Crime / Q000706:statistics & numerical data; D004348:Drug Labeling / Q000592:standards; D006801:Humans; D064086:Medical Marijuana; D060735:Pharmacovigilance; D011634:Public Health / Q000706:statistics & numerical data; D012922:Social Change
chemical_list: D064086:Medical Marijuana