“The results clearly suggest that RES has a powerful prophylactic action in cholestasis induced by EE.”
“The … the RES at a concentration of 25 mg/kg … 15 days to rats treated with EE (100 μg/kg body weight for 5 days) resulted in a significant protection against EE-induced … serum cholesterol and bile acid levels as well as against an increase of serum bilirubin concentration.”