TY - Front. Med. A1 - Fei Liu, Ming-chon Hsiung, Haibo Song, Ke Dian, Hong Tang, Jin Liu T1 - Unexpected co-arctation of aorta detected by transesophageal echocardiography during patent ductus arteriosus ligation Y1 - 2013-06-05 JF - Frontiers of Medicine JO - Front. Med. SP - 270 EP - 273 VL - 7 IS - 2 UR - https://academic.hep.com.cn/fmd N1 - 10.1007/s11684-013-0261-7 ER -