title: Invited commentary.
authors.affiliation: Department of Integrative Physiology, and Cardiovascular Research Institute, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX 76107-2699, USA. robert.mallet@unthsc.edu
authors.forename: Robert T
authors.initials: RT
authors.lastname: Mallet
authors.forename: Albert H
authors.initials: AH
authors.lastname: Olivencia-Yurvati
mesh_terms: D000818:Animals; D003331:Coronary Vessels / Q000528:radiation effects*; D010789:Phototherapy; D014664:Vasodilation / Q000528:radiation effects*