title: Marijuana use in chronic pain patients.
authors.forename: Connie R
authors.initials: CR
authors.lastname: Ecklund
authors.forename: Mazin A
authors.initials: MA
authors.lastname: Ellias
mesh_terms: D000701:Analgesics, Opioid / Q000627:therapeutic use* / Q000652:urine; D002188:Cannabis; D002908:Chronic Disease; D006801:Humans; D010146:Pain / Q000188:drug therapy*
chemical_list: D000701:Analgesics, Opioid