title: Ambulatory surgery faces regulatory hurdles.
authors.forename: J M
authors.initials: JM
authors.lastname: Mathias
mesh_terms: D000556:Ambulatory Surgical Procedures / Q000191:economics* / Q000592:standards; D002568:Certification; D006278:Medicare; D010044:Outpatient Clinics, Hospital / Q000191:economics / Q000331:legislation & jurisprudence / Q000592:standards; D013531:Surgicenters / Q000191:economics / Q000331:legislation & jurisprudence* / Q000592:standards; D014481:United States