title: Fourth international symposium on nasopharyngeal carcinoma application of field and laboratory studies to the control of NPC.
mesh_terms: D000818:Animals; D002681:China / Q000208:ethnology; D004812:Epidemiologic Methods; D004854:Herpesvirus 4, Human / Q000276:immunology; D006801:Humans; D007111:Immunity, Cellular; D004930:Inuit; D008403:Mass Screening; D009303:Nasopharyngeal Neoplasms / Q000209:etiology / Q000517:prevention & control*; D014171:Transients and Migrants; D014412:Tumor Virus Infections