title: A new diagnostic system for malignant tumors using hematoporphyrin derivative, laser photoradiation and a spectroscope.
mesh_terms: D000818:Animals; D020680:Bronchoscopes; D002478:Cells, Cultured; D019723:Endoscopes; D017324:Hematoporphyrin Derivative; D006415:Hematoporphyrins; D006801:Humans; D007834:Lasers; D008175:Lung Neoplasms / Q000175:diagnosis; D051379:Mice; D009369:Neoplasms / Q000175:diagnosis*; D012513:Sarcoma, Experimental / Q000175:diagnosis; D013050:Spectrometry, Fluorescence / Q000295:instrumentation
chemical_list: D006415:Hematoporphyrins; D017324:Hematoporphyrin Derivative