title: Sequential pathogenicity of Mycoplasma pulmonis in laboratory rats.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D046508:Culture Techniques; D005260:Female; D005856:Germ-Free Life; D000882:Haplorhini; D006801:Humans; D008297:Male; D009174:Mycoplasma / Q000472:pathogenicity*; D009175:Mycoplasma Infections / Q000209:etiology / Q000276:immunology / Q000473:pathology / Q000662:veterinary*; D009666:Nose; D051381:Rats; D012140:Respiratory Tract Diseases / Q000662:veterinary; D012141:Respiratory Tract Infections / Q000209:etiology / Q000276:immunology / Q000473:pathology; D012376:Rodent Diseases / Q000209:etiology* / Q000276:immunology / Q000473:pathology; D013997:Time Factors