TY - GEN AU - LEWIS,L B AU - DOMM,L V TI - A sexual transformation of the osseus bulla in duck embryos following administration of estrogen SN - 0031-935X PY - 2008///1016 KW - Animals KW - Blister KW - Character KW - Ducks KW - Estrogens KW - Humans KW - Sex KW - Sexual Behavior N1 - Publication Type: Journal Article UR - https://doi.org/10.1086/physzool.21.1.30151982 ER -