title: Chronic pain: time for epidemiology.
authors.forename: C C
authors.initials: CC
authors.lastname: Gunn
mesh_terms: D002908:Chronic Disease; D006801:Humans; D009209:Myofascial Pain Syndromes / Q000150:complications; D010146:Pain / Q000209:etiology*; D010523:Peripheral Nervous System Diseases / Q000150:complications