title: ['It must be a virus...'].
authors.forename: B J
authors.initials: BJ
authors.lastname: Kulberg
authors.forename: J W
authors.initials: JW
authors.lastname: van der Meer
authors.forename: J H
authors.initials: JH
authors.lastname: Bolk
mesh_terms: D000328:Adult; D000974:Antibodies, Antinuclear / Q000032:analysis; D000914:Antibodies, Viral / Q000032:analysis*; D002213:Capsid / Q000276:immunology; D002908:Chronic Disease; D004854:Herpesvirus 4, Human / Q000276:immunology*; D006801:Humans; D007244:Infectious Mononucleosis / Q000276:immunology*; D008297:Male; D008875:Middle Aged
chemical_list: D000974:Antibodies, Antinuclear; D000914:Antibodies, Viral
vernacular_title: 'Het zal wel een virus zijn...'