Template:Ref-ClarkClark1912
From Embryology
Clark ER. and Clark EL. Observations on the development of the earliest lymphatics in the region of the posterior lymph heart in living chick embryos. (1912) Anat. Rec. 6: 255-262.
Clark ER. and Clark EL. Observations on the development of the earliest lymphatics in the region of the posterior lymph heart in living chick embryos. (1912) Anat. Rec. 6: 255-262.