title: A natural outbreak of synovitis caused by the viral arthritis agent.
mesh_terms: D000818:Animals; D002645:Chickens; D004267:DNA Viruses / Q000302:isolation & purification*; D005455:Fluorescent Antibody Technique; D011201:Poultry Diseases; D013585:Synovitis / Q000209:etiology / Q000662:veterinary*; D014777:Virus Diseases / Q000150:complications / Q000662:veterinary*