Placental expression of estrogen receptor beta and its hormone binding variant - comparison with estrogen receptor alpha and a role for estrogen receptors in asymmetric division and differentiation of estrogen-dependent cells. - Bukovsky,A.; Caudle,M.R.; Cekanova,M.; Fernando,R.I.; Wimalasena,J.; Foster,J.S.; Henley,D.C.; Elder,R.F. (Reprod Biol Endocrinol, 2003)