Template:Ref-Stockard1915a
From Embryology
Stockard CR. The origin of blood and vascular endothelium in embryos without a circulation of the blood and in the normal embryo. (1915) Amer. J Anat. 18(2): 225-327.
Stockard CR. The origin of blood and vascular endothelium in embryos without a circulation of the blood and in the normal embryo. (1915) Amer. J Anat. 18(2): 225-327.