Template:Ref-Whitehead1904
From Embryology
Whitehead RH. The embryonic development of the interstitial cells of Leydig. (1904) Amer. J Anat. 3:167-182.
Whitehead RH. The embryonic development of the interstitial cells of Leydig. (1904) Amer. J Anat. 3:167-182.