title: Place of service does make a difference.
authors.affiliation: University of Oklahoma Health Sciences Center, Oklahoma City, USA.
authors.forename: Marilyn
authors.initials: M
authors.lastname: Hammon
mesh_terms: D000553:Ambulatory Care / Q000191:economics; D006760:Hospitalization / Q000191:economics; D006801:Humans; D007344:Insurance Claim Reporting; D015442:Medicare Assignment; D014481:United States