Template:Ref-Kellogg1928
From Embryology
Kellogg HB. The course of the blood flow through the fetal mammalian heart. (1928) Amer. J Anat. 42(2): 443-
Kellogg HB. The course of the blood flow through the fetal mammalian heart. (1928) Amer. J Anat. 42(2): 443-