Template:Ref-Gage1906
From Embryology
Gage SP. The notochord of the head in human embryos of the third to the twelfth week and comparisons with other vertebrates. (1906) Science 24: 295.
Gage SP. The notochord of the head in human embryos of the third to the twelfth week and comparisons with other vertebrates. (1906) Science 24: 295.