Template:Ref-Davis1927
From Embryology
Davis CL. Development of the Human Heart from its Earliest Appearance to the Stage Found in Embryos of Twenty Paired Somites. (1927) Carnegie Institution No.107 245-284.
Davis CL. Development of the Human Heart from its Earliest Appearance to the Stage Found in Embryos of Twenty Paired Somites. (1927) Carnegie Institution No.107 245-284.