title: Categorizing patients from medical claims data--the influence of GIGO.
authors.forename: John P
authors.initials: JP
authors.lastname: Barbuto
mesh_terms: D004282:Documentation / Q000592:standards; D006261:Headache / Q000188:drug therapy* / Q000523:psychology*; D006801:Humans; D007344:Insurance Claim Reporting / Q000592:standards*; D008329:Managed Care Programs; D008499:Medical Records / Q000592:standards*; D019966:Substance-Related Disorders / Q000517:prevention & control*