title: Study on parainfluenza virus type 1 isolated from pigs.
mesh_terms: D000818:Animals; D003588:Cytopathogenic Effect, Viral; D011024:Pneumonia, Viral / Q000382:microbiology / Q000662:veterinary*; D018108:Respirovirus / Q000302:isolation & purification*; D013552:Swine; D013553:Swine Diseases / Q000382:microbiology*