Investigations of the isolation and identification of swine enzootic pneumonia virus.
D000818:Animals; D011014:Pneumonia / Q000821:virology*; D045729:Pneumonia of Swine, Mycoplasmal; D013553:Swine Diseases; D014777:Virus Diseases / Q000662:veterinary*
PNEUMONIA/virology; SWINE/diseases; VIRUS DISEASES/veterinary