Tran, P. N.; Le, C. T.; Phan, N. H.; Le, Q. A.; Duong , M. D. STUDY ON APPLYING NARROW BAND IMAGING ENDOSCOPY COMBINED WITH C02 LASER ENDOSCOPIC MICROSURGERY IN DIAGNOSIS AND TREATMENT OF EARLY STAGE HYPOPHARYNGEAL AND LARYNGEAL CARCINOMA. tmh 2022, 67, 72-81.