title: Use of photoelectric detection and hematoporphyrin for early detection and localization of lung cancer.
mesh_terms: D020680:Bronchoscopes; D004581:Electronics; D006415:Hematoporphyrins / Q000032:analysis*; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D013050:Spectrometry, Fluorescence / Q000295:instrumentation
chemical_list: D006415:Hematoporphyrins