title: DSM III: a new nomenclature for classifying patients with chronic pain.
mesh_terms: D002908:Chronic Disease; D003291:Conversion Disorder / Q000175:diagnosis; D005260:Female; D006677:Histrionic Personality Disorder / Q000175:diagnosis; D006801:Humans; D006998:Hypochondriasis / Q000175:diagnosis; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis*; D008875:Middle Aged; D010146:Pain / Q000175:diagnosis / Q000523:psychology*; D013001:Somatoform Disorders / Q000175:diagnosis; D009626:Terminology as Topic