Template:Ref-O'Connor1940a
From Embryology
O'Connor RJ. An experimental study of the development of the amphibian cloaca. (1940) J Anat. 74(3): 301-308. PMID 17104815[
O'Connor RJ. An experimental study of the development of the amphibian cloaca. (1940) J Anat. 74(3): 301-308. PMID 17104815[