[The frequency of hemal lymph nodes and their histological changes in healthy cattle herds and herds infected with leucosis].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000473:pathology*; D007938:Leukemia / Q000473:pathology / Q000662:veterinary*; D008198:Lymph Nodes / Q000473:pathology*
Frekvence hemálních mízních uzlin a jejich histologické zmĕny ve zdravých a leukózních stádech skotu.