title: [Investigation of 2 families with clustering of nasopharyngeal carcinoma and detection of serum VCA-IgA antibody among their members].
mesh_terms: D000328:Adult; D000368:Aged; D000914:Antibodies, Viral / Q000032:analysis*; D005260:Female; D004854:Herpesvirus 4, Human / Q000276:immunology*; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000235:genetics* / Q000276:immunology
chemical_list: D000914:Antibodies, Viral; D007070:Immunoglobulin A