title: Presence of Epstein-Barr virus nuclear antigen in nasopharyngeal carcinoma biopsies and their derived cultures.
mesh_terms: D000956:Antigens, Viral / Q000032:analysis*; D002467:Cell Nucleus / Q000276:immunology; D002478:Cells, Cultured / Q000276:immunology; D004854:Herpesvirus 4, Human / Q000276:immunology*; D006801:Humans; D009303:Nasopharyngeal Neoplasms / Q000276:immunology*
chemical_list: D000956:Antigens, Viral