title: Photodynamic therapy is nonthermal injury.
authors.forename: Robert A
authors.initials: RA
authors.lastname: Ganz
mesh_terms: D001471:Barrett Esophagus / Q000188:drug therapy* / Q000473:pathology; D002299:Cardia / Q000473:pathology; D004947:Esophagus / Q000473:pathology; D006801:Humans; D017075:Laser Coagulation; D010778:Photochemotherapy