Template:Ref-Wilder1904
From Embryology
Wilder HH. Duplicate twins and double monsters. (1904) Amer. J Anat., 3: 387-472.[Category:Twinning]]
Wilder HH. Duplicate twins and double monsters. (1904) Amer. J Anat., 3: 387-472.[Category:Twinning]]