title: Response.
authors: Division of Gastroenterology and Hepatology, University of Virginia, Charlottesville, Virginia, USA.
authors: Daniel S
authors: DS
authors: Strand
authors: Division of Gastroenterology and Hepatology, University of Virginia, Charlottesville, Virginia, USA.
authors: Andrew Y
authors: AY
authors: Wang
mesh_terms: D001650:Bile Duct Neoplasms / Q000628:therapy*; D001653:Bile Ducts, Intrahepatic; D018281:Cholangiocarcinoma / Q000628:therapy*; D017323:Dihematoporphyrin Ether / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D054023:Lasers, Semiconductor / Q000627:therapeutic use*; D008297:Male; D017319:Photosensitizing Agents / Q000627:therapeutic use*
chemical_list: D017319:Photosensitizing Agents; D017323:Dihematoporphyrin Ether