title: Six-Year Checkup: Narrowing the Scope of Practical Radiation Oncology.
authors.affiliation: Duke University School of Medicine, Durham, NC. Electronic address: w.robert.lee@duke.edu.
authors.forename: W Robert
authors.initials: WR
authors.lastname: Lee
mesh_terms: D006801:Humans; D020380:Needs Assessment; D009369:Neoplasms / Q000532:radiotherapy*; D017410:Practice Guidelines as Topic / Q000592:standards*; D018787:Radiation Oncology / Q000592:standards*