title: Study of prolonged virus infection in cattle stocks infected by bovine respiratory syncytial virus.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D008297:Male; D012136:Respiratory Syncytial Viruses; D010253:Respirovirus Infections / Q000382:microbiology / Q000662:veterinary*