title: A practical method to detect target failure of a helical tomotherapy unit.
authors.affiliation: Department of Radiation Oncology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA. stathakis@uthscsa.edu
authors.forename: S
authors.initials: S
authors.lastname: Stathakis
authors.forename: A
authors.initials: A
authors.lastname: Gutierrez
authors.forename: C
authors.initials: C
authors.lastname: Esquivel
authors.forename: C
authors.initials: C
authors.lastname: Shi
authors.forename: N
authors.initials: N
authors.lastname: Papanikolaou