Congenital defects in the offspring of male mice treated with ethylnitrosourea.


Daily doses of ENU (25-100 mg/kg) were injected intraperitoneally into ICR strain male mice for 5 days. The males were mated to untreated virgin females of the same strain on days 1-16 and 64-80 after the last dose. Copulations during these periods involve, respectively, treated postmeiotic cells and spermatogonial stem cells. The uterine contents were… (More)


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