drug-metabolizing enzymes ( cytochrome p450 , epoxide hydrolase , udp-glucuronosyltransferase , and glutathione-s-transferase ) and microsomal ribonuclease were not modified in fetuses treated with 80 or 400 mg . kg-1 of p-hydroxyphenobarbital , in spite of its accumulation in fetal liver .
C0015965
fetuses
C1517162
fetal liver