title: [Inapparent virus infections in poultry and their significance with special reference to an agent isolated for the first time. I].
mesh_terms: D000256:Adenoviridae / Q000302:isolation & purification; D000818:Animals; D001103:Arboviruses / Q000302:isolation & purification; D046508:Culture Techniques; D010849:Picornaviridae / Q000302:isolation & purification; D011201:Poultry Diseases / Q000209:etiology* / Q000382:microbiology; D012087:Reoviridae / Q000302:isolation & purification; D018108:Respirovirus / Q000302:isolation & purification; D014777:Virus Diseases / Q000662:veterinary*; D014780:Viruses / Q000145:classification / Q000302:isolation & purification* / Q000472:pathogenicity
vernacular_title: Inapparente Virusinfektionen beim Geflügel und ihre Bedeutung unter Berücksichtigung eines erstmals isolierten Agens. I.