Template:Ref-Arey1922a
From Embryology
Arey LB. Direct proof of the monozygotic origin of human identical twins. (1922) Anat. Rec. 22(4): 245-252.
Arey LB. Direct proof of the monozygotic origin of human identical twins. (1922) Anat. Rec. 22(4): 245-252.