sera collected from patients with nasopharyngeal carcinoma , patients with other head and neck neoplasms , patients with infectious mononucleosis ( im ) , and healthy donors were titrated for antibodies ( igm , igg , iga ) against epstein-barr-virus ( ebv ) specific antigens ( vca , ea , ebna ) by indirect and by antikomplementary immunfluorescence .
C0003241
antibodies
C2825347
iga