Transesophageal Doppler measurement of renal arterial blood flow velocities and indices in children.
Zabala L, Ullah S, Pierce CD, Gautam NK, Schmitz ML, Sachdeva R, Craychee JA, Harrison D, Killebrew P, Bornemeier RA, Prodhan P. Transesophageal Doppler measurement of renal arterial blood flow velocities and indices in children. Anesth Analg. 2012 Jun; 114(6):1277-84.