groups of pregnant sprague-dawley rats were treated orally with procarbazine , an antineoplastic drug , at dose levels of 0 , 1.0 , 2.5 , 5.0 , 7.5 , and 10.0 mg/kg/day from days 12 through 15 of gestation .
C0033223
procarbazine
C0032961
gestation