Template:Ref-Butler1927
From Embryology
Butler EG. The relative role played by the embryonic veins in the development of the mammalian vena oava posterior. (1927) Amer. J Anat. 19(2): 179-209.]
Butler EG. The relative role played by the embryonic veins in the development of the mammalian vena oava posterior. (1927) Amer. J Anat. 19(2): 179-209.]