ntl was administered intramuscularly to male rats at the daily dose of 12.5 , 25 , 50 and 100 mg/kg from 6 to 15 weeks of age for 9 weeks before mating and during the mating period , and to 10 weeks old female rats at the daily dose levels from day 14 before mating through day 7 after gestation .
C0027780
ntl
C0032961
gestation