Template:Ref-EdwardsHahn1906
From Embryology
Edwards CL. and Hahn CW. Some phases of the gastrulation of the horned toad, phrynosoma cornutum harlan. (1906) Amer. J Anat. 5: 331-
Edwards CL. and Hahn CW. Some phases of the gastrulation of the horned toad, phrynosoma cornutum harlan. (1906) Amer. J Anat. 5: 331-