Preliminary results of hematoporphyrin derivative-laser treatment for 13 cases of early esophageal carcinoma.
D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004938:Esophageal Neoplasms / Q000188:drug therapy*; D005260:Female; D006414:Hematoporphyrin Photoradiation; D006801:Humans; D007834:Lasers; D008297:Male; D008875:Middle Aged; D010778:Photochemotherapy