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