Template:Ref-Keibelchapter20-1912
From Embryology
{{Keibel F. XX. The interdependence of the various developmental processes in Keibel F. and Mall FP. Manual of Human Embryology II. (1912) J. B. Lippincott Company, Philadelphia..
{{Keibel F. XX. The interdependence of the various developmental processes in Keibel F. and Mall FP. Manual of Human Embryology II. (1912) J. B. Lippincott Company, Philadelphia..