Template:Ref-Payne1925
From Embryology
Payne, F. 1925. General description of a 7-somite human embryo. Contrib. Embryol., Carnegie Inst. Wash. Publ. 361, 16: 115-124.
Payne, F. 1925. General description of a 7-somite human embryo. Contrib. Embryol., Carnegie Inst. Wash. Publ. 361, 16: 115-124.