TY - Front. Med. A1 - Yong G. Peng, Haibo Song, E. Wang, Weipeng Wang, Jin Liu T1 - Essential training steps to achieving competency in the basic intraoperative transesophageal echocardiography examination for Chinese anesthesiologists Y1 - 2015-03-02 JF - Frontiers of Medicine JO - Front. Med. SP - 123 EP - 128 VL - 9 IS - 1 UR - https://academic.hep.com.cn/fmd N1 - 10.1007/s11684-014-0366-7 ER -