title: Assessing safety of opioids for chronic pain.
authors.forename: M J
authors.initials: MJ
authors.lastname: Scholz
mesh_terms: D001416:Back Pain / Q000188:drug therapy*; D002908:Chronic Disease; D006801:Humans; D008297:Male; D008875:Middle Aged; D009294:Narcotics / Q000009:adverse effects*; D009730:Nursing Assessment
chemical_list: D009294:Narcotics