1Gerlis M,Anderson RH. Unusual orgin and course of the leftpulmary artery[J].Clin Anat,2011 ,14(5) :373-378.
2Garg P’Talwar S. Kothari SS. et al.The anomalous origin of thebranch pulmonary artery from the ascending aorta [J ]. InteractCardiovasc Thorac Surg.2012.15(1) :86-^2.