Template:Ref-Lillie1917
From Embryology
Lillie FR. The free-martin; a study of the action of sex hormones in the foetal life of cattle. (1917) J Exp. Zool. 23: 452.
Lillie FR. The free-martin; a study of the action of sex hormones in the foetal life of cattle. (1917) J Exp. Zool. 23: 452.