Transnasal transesophageal echocardiography.
Spencer KT, Krauss D, Thurn J, Mor-Avi V, Poppas A, Vignon P, Connor BG, Lang RM.
Spencer KT, et al.
J Am Soc Echocardiogr. 1997 Sep;10(7):728-37. doi: 10.1016/s0894-7317(97)70116-0.
J Am Soc Echocardiogr. 1997.
PMID: 9339424