title: More on opioid tolerance.
authors.forename: Mark
authors.initials: M
authors.lastname: Collen
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000627:therapeutic use*; D001291:Attitude of Health Personnel; D001294:Attitude to Health; D002908:Chronic Disease; D004361:Drug Tolerance; D006801:Humans; D010146:Pain / Q000188:drug therapy* / Q000523:psychology; D010818:Practice Patterns, Physicians'
chemical_list: D000701:Analgesics, Opioid