Template:Ref-WhiteheadWaddell1911
From Embryology
Whitehead RH. and Waddell JA. The early development of the mammalian sternum (1911) Amer. J Anat. 12: 89-106.
Whitehead RH. and Waddell JA. The early development of the mammalian sternum (1911) Amer. J Anat. 12: 89-106.