title: Regional variations in costs of inguinal hernia operations.
mesh_terms: D003365:Costs and Cost Analysis; D003625:Data Collection; D005249:Fees and Charges; D006552:Hernia, Inguinal / Q000191:economics* / Q000601:surgery; D006760:Hospitalization / Q000191:economics*; D006801:Humans; D014481:United States