In ovo treatment with an aromatase inhibitor masculinizes postnatal hormone levels, abdominal fat pad content, and GH pulsatility in broiler chickens., Dewil, E, Buyse J, Veldhuis J D., Mast Jan, De Coster R, and Decuypere E , Domest Anim Endocrinol, 1998 Mar, Volume 15, Issue 2, p.115-27, (1998)