explants of fresh biopsy specimens from non-neoplastic nasopharyngeal ( np ) mucosa , nasopharyngeal carcinoma ( npc ) , other tumours ( ot ) of the head and neck and freshly removed tonsils were treated with an epstein-barr virus ( ebv ) preparation from b95-8 cells and cultured .
C2931822
nasopharyngeal carcinoma
C0027530
neck