title: The duration and distribution of synovitis-producing agent in chickens.
mesh_terms: D000818:Animals; D009174:Mycoplasma / Q000302:isolation & purification; D009175:Mycoplasma Infections / Q000150:complications* / Q000662:veterinary*; D011201:Poultry Diseases / Q000209:etiology*; D013585:Synovitis / Q000209:etiology / Q000662:veterinary*; D014132:Trachea / Q000382:microbiology