Herbertson, James Egly.2015-12-312015-12-311937http://hdl.handle.net/2097/24141Call number: LD2668 .T4 1937 H41Ductus ateriosus.Concerning the postnatal obliteration of the umbilical vein and arteries, the vitelline vein and artery, and the ductus arteriosus in the guinea pigTextMasters theses