title: An epizootic of respiratory tract disease in Sprague-Dawley rats.
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D008168:Lung / Q000382:microbiology / Q000473:pathology; D009174:Mycoplasma / Q000302:isolation & purification; D010402:Penicillin G Procaine / Q000627:therapeutic use; D051381:Rats; D012141:Respiratory Tract Infections / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology / Q000473:pathology / Q000662:veterinary*; D012376:Rodent Diseases / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology* / Q000473:pathology; D013296:Streptococcus pneumoniae / Q000302:isolation & purification
chemical_list: D010402:Penicillin G Procaine