Template:Ref-Arey1922b
From Embryology
Arey LB. Chorionic fusion and augmented twinning in the human tube. (1922) Anat. Rec. 22(4): 253-262.
Arey LB. Chorionic fusion and augmented twinning in the human tube. (1922) Anat. Rec. 22(4): 253-262.