title: A microbiological study of pneumonic calf lungs.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000302:isolation & purification; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D008168:Lung / Q000382:microbiology*; D009174:Mycoplasma / Q000302:isolation & purification; D011014:Pneumonia / Q000382:microbiology / Q000662:veterinary*; D014780:Viruses / Q000302:isolation & purification