Mammary gland neoplasms after fission neutron irradiation.
D000818:Animals; D003036:Cobalt Isotopes; D008325:Mammary Neoplasms, Experimental; D009381:Neoplasms, Radiation-Induced; D009502:Neutrons; D051381:Rats; D013997:Time Factors
D003036:Cobalt Isotopes