title: External vs. interstitial irradiation.
authors.forename: J A
authors.initials: JA
authors.lastname: Williams
mesh_terms: D000818:Animals; D001918:Brachytherapy / Q000592:standards*; D001932:Brain Neoplasms / Q000532:radiotherapy*; D005069:Evaluation Studies as Topic; D051381:Rats; D013679:Technology, Radiologic / Q000592:standards*