Fetal middle cerebral to uterine artery pulsatility index ratios in normal and pre‐eclamptic pregnancies - Simanaviciute - 2006 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library
Pulsatility index (PI), resistance index (RI) and fetal heart rate... | Download Scientific Diagram
Reference ranges for umbilical and middle cerebral artery pulsatility index and cerebroplacental ratio in prolonged pregnancies - Palacio - 2004 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library
Selección de la curva de referencia del índice pulsatilidad de las arterias umbilicales
Reference limits of umbilical artery Doppler indices | Download Table