[Studies on Mycoplasma of rats. I. Observation of Mycoplasma in the respiratory system of rats].
D000818:Animals; D001980:Bronchi / Q000382:microbiology; D009174:Mycoplasma / Q000302:isolation & purification; D009175:Mycoplasma Infections; D009666:Nose / Q000382:microbiology; D051381:Rats; D012137:Respiratory System / Q000382:microbiology*; D012141:Respiratory Tract Infections; D012376:Rodent Diseases / Q000382:microbiology*