title: Observations on the growth andregression of Rous sarcoma in rats and mice of a non-inbred strain.
mesh_terms: D000818:Animals; D001947:Breeding; D051379:Mice; D009365:Neoplasm Regression, Spontaneous; D009368:Neoplasm Transplantation; D051381:Rats; D001357:Sarcoma, Avian