title: Discrepancy in HMO data.
authors.forename: G
authors.initials: G
authors.lastname: Dyck
mesh_terms: D006279:Health Maintenance Organizations / Q000639:trends*; D006801:Humans; D001523:Mental Disorders / Q000534:rehabilitation; D008910:Minnesota; D010343:Patient Admission / Q000639:trends*; D019966:Substance-Related Disorders / Q000534:rehabilitation