RAFFERTY, K A Spontaneous kidney tumors in the frog: rate of occurrence in isolated adults. [electronic resource] - Science (New York, N.Y.) Aug 1963 - 720-1 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.141.3582.720 doi Subjects--Topical Terms: AdenocarcinomaAnimalsAnuraHumansKidney NeoplasmsNeoplasmsRanidae