[Respiratory organs of rats in breeding colonies].
D000818:Animals; D002908:Chronic Disease; D051381:Rats; D012137:Respiratory System / Q000473:pathology*; D012140:Respiratory Tract Diseases / Q000473:pathology* / Q000662:veterinary; D012376:Rodent Diseases / Q000473:pathology*
Sostoianie respiratornykh organov krys v proizvodstvennykh koloniiakh.