pregnant female mice selected for plus- and minus-modifying genes of the limb-skeleton effects of strong 's luxoid gene ( 1st ) were injected ip on day 10 of gestation with 10 or 20 mg/kg 5-fluorouracil ( 5-fu ) or 5-fluorodeoxyuridine ( 5-fudr ) .
C0032961
gestation
C0016360
5-fu