RT Journal Article SR Electronic T1 Aromatase enzyme catalysis is involved in the potent inhibition of estrogen biosynthesis caused by 4-acetoxy- and 4-hydroxy-4-androstene-3, 17-dione. JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics SP 173 OP 180 VO 21 IS 1 A1 D F Covey A1 W F Hood YR 1982 UL http://molpharm.aspetjournals.org/content/21/1/173.abstract AB