TI - BRACHYTHERAPY IN PATIENTS WITH NASOPHARYNGEAL CARCINOMA FOLLOWING EXTERNAL RADIOTHERAPY AU - ENİS ÖZYAR, AU - DİLEK ÖZTÜRK, AU - MURAT GÜRKAYNAK, AU - FADIL H AKYOL, AU - İ LALE ATAHAN, SO - Turk J Oncol 1998;13:032-036. DO -