Photodynamic therapy for early stage central type of lung cancer.
Kato
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D002294:Carcinoma, Squamous Cell / Q000188:drug therapy* / Q000601:surgery; D002986:Clinical Trials as Topic; D003362:Cost-Benefit Analysis; D006414:Hematoporphyrin Photoradiation / Q000191:economics / Q000379:methods*; D006801:Humans; D008175:Lung Neoplasms / Q000188:drug therapy* / Q000601:surgery