title: Effect of 60Co gamma radiation on the stem and differentiating spermatogonia of the postpuberal rat.
mesh_terms: D000818:Animals; D002454:Cell Differentiation / Q000528:radiation effects; D003037:Cobalt Radioisotopes; D004307:Dose-Response Relationship, Radiation; D005720:Gamma Rays; D008297:Male; D008938:Mitosis / Q000528:radiation effects; D051381:Rats; D013093:Spermatogonia / Q000528:radiation effects* / Q000648:ultrastructure; D013094:Spermatozoa / Q000528:radiation effects*
chemical_list: D003037:Cobalt Radioisotopes