title: What you should know about HSOs.
authors.affiliation: Ontario Medical Association.
authors.forename: D
authors.initials: D
authors.lastname: Peachey
authors.forename: A
authors.initials: A
authors.lastname: Linton
mesh_terms: D005069:Evaluation Studies as Topic; D006279:Health Maintenance Organizations / Q000458:organization & administration*; D006801:Humans; D009864:Ontario; D010819:Physician's Role