Template:Ref-West1915
From Embryology
West R. The origin and early development of the posterior lymph heart in the chick. (1916) Amer. J Anat. 17(4): .. Fourteen figures 403
West R. The origin and early development of the posterior lymph heart in the chick. (1916) Amer. J Anat. 17(4): .. Fourteen figures 403