title: Validity of impairment ratings made from medical records and from personal knowledge.
mesh_terms: D000328:Adult; D000368:Aged; D004185:Disability Evaluation; D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D005767:Gastrointestinal Diseases; D006760:Hospitalization; D006787:Hospitals, Veterans; D006801:Humans; D008107:Liver Diseases; D008297:Male; D008499:Medical Records; D001523:Mental Disorders; D008875:Middle Aged; D009026:Mortality; D010820:Physicians; D012140:Respiratory Tract Diseases; D013223:Statistics as Topic; D014481:United States; D014652:Vascular Diseases