Influence of age on the response of rat stem spermatogonia to  -radiation.
D000367:Age Factors; D000818:Animals; D004307:Dose-Response Relationship, Radiation; D008297:Male; D009929:Organ Size; D011830:Radiation Effects; D051381:Rats; D012669:Seminal Vesicles / Q000528:radiation effects; D013091:Spermatogenesis / Q000528:radiation effects*; D013094:Spermatozoa / Q000528:radiation effects; D013737:Testis / Q000528:radiation effects*; D013997:Time Factors