title: Spontaneous epizootic of pneumococcus infection in guinea-pigs.
mesh_terms: D000818:Animals; D004196:Disease Outbreaks / Q000662:veterinary; D006168:Guinea Pigs; D007668:Kidney / Q000473:pathology; D008099:Liver / Q000382:microbiology / Q000473:pathology; D008168:Lung / Q000382:microbiology / Q000473:pathology; D011008:Pneumococcal Infections / Q000453:epidemiology / Q000382:microbiology / Q000473:pathology / Q000662:veterinary*; D011014:Pneumonia / Q000453:epidemiology / Q000382:microbiology / Q000473:pathology / Q000662:veterinary; D012376:Rodent Diseases / Q000453:epidemiology* / Q000382:microbiology / Q000473:pathology; D013296:Streptococcus pneumoniae / Q000302:isolation & purification