title: Design of multi-institutional and cooperative group studies of SBRT.
authors.forename: Paul
authors.initials: P
authors.lastname: Okunieff
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols; D024221:Antineoplastic Protocols; D003131:Combined Modality Therapy; D005544:Forecasting; D006801:Humans; D015337:Multicenter Studies as Topic; D018579:Patient Selection; D011785:Quality Assurance, Health Care; D016634:Radiosurgery / Q000379:methods* / Q000639:trends; D012107:Research Design