administration of the synthetic estrogen ethinyl estradiol ( 17alpha-ethinyl-1,3,5-estratriene-3,17beta-diol ) decreases hepatic na ( + ) , k ( + ) -atpase ( atp phosphohydrolase ; ec 3.6.1.3 ) activity and bile flow to 50 % and alters the composition and structure of surface membrane lipid in rats .
C0001479
na
C0001473
atp phosphohydrolase