Incidence and histology of renal tumors of leopard frogs from the North Central states.
D000818:Animals; D001001:Anura; D066298:In Vitro Techniques; D007181:Inclusion Bodies, Viral; D007680:Kidney Neoplasms / Q000453:epidemiology* / Q000473:pathology* / Q000662:veterinary*; D008824:Michigan; D008854:Microscopy, Electron; D008910:Minnesota; D009154:Mutation; D013023:South Dakota; D014201:Trematode Infections; D014481:United States; D014922:Wisconsin