Template:Ref-Koff1933
From Embryology
Koff A. Development of the vagina in the human fetus. (1933) Contrib. Embryol., Carnegie Inst. Wash. Publ. 443, 24: 59-60.
Koff A. Development of the vagina in the human fetus. (1933) Contrib. Embryol., Carnegie Inst. Wash. Publ. 443, 24: 59-60.