title: Intensity-modulated radiation therapy for anal cancer: toxicity versus outcomes.
authors.affiliation: Department of Radiation Oncology, Duke University School of Medicine, Durham, North Carolina 27705, USA.
authors.forename: Timothy M
authors.initials: TM
authors.lastname: Zagar
authors.forename: Christopher G
authors.initials: CG
authors.lastname: Willett
authors.forename: Brian G
authors.initials: BG
authors.lastname: Czito