title: [Problems in nasopharyngeal carcinoma--question of the virus as the etiological agent. Research overview].
mesh_terms: D000906:Antibodies / Q000032:analysis; D002051:Burkitt Lymphoma; D046508:Culture Techniques; D006564:Herpesviridae; D004854:Herpesvirus 4, Human / Q000276:immunology / Q000302:isolation & purification; D006801:Humans; D007938:Leukemia / Q000382:microbiology; D008854:Microscopy, Electron; D009303:Nasopharyngeal Neoplasms / Q000209:etiology* / Q000382:microbiology
chemical_list: D000906:Antibodies