title: When a patient's chronic pain gets worse.
authors.affiliation: University of Washington, Seattle, WA, USA. mfhollon@u.washington.edu
authors.forename: Matthew
authors.initials: M
authors.lastname: Hollon
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects* / Q000627:therapeutic use; D002908:Chronic Disease; D003937:Diagnosis, Differential; D018450:Disease Progression; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D010147:Pain Measurement; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000175:diagnosis / Q000209:etiology*
chemical_list: D000701:Analgesics, Opioid