expression of the epstein-barr virus ( ebv ) encoded nuclear antigens ( ebna 1 to 6 ) and membrane-associated protein ( lmp ) was investigated by immunoblotting in 83 nasopharyngeal carcinoma ( npc ) biopsies and 25 other tumor and normal tissue specimens from the head and neck region .
C2931822
nasopharyngeal carcinoma
C0460004
head and neck region