title: An attempt to distinguish a modified genetic response of the mouse testis to X-ray exposure by the action of a spermatogonial chalone.
mesh_terms: D000818:Animals; D002869:Chromosome Aberrations; D002875:Chromosomes / Q000528:radiation effects; D006131:Growth Inhibitors / Q000378:metabolism / Q000494:pharmacology*; D008297:Male; D011837:Radiation-Protective Agents; D051381:Rats; D013093:Spermatogonia / Q000528:radiation effects*; D013094:Spermatozoa / Q000528:radiation effects*; D013737:Testis / Q000378:metabolism; D014965:X-Rays
chemical_list: D006131:Growth Inhibitors; D011837:Radiation-Protective Agents