Wave reflections in the umbilical artery measured by Doppler ultrasound as a novel predictor of placental pathology oleh Lindsay S. Cahill, Greg Stortz, Anjana Ravi Chandran, Natasha Milligan, Shiri Shinar, Clare L. Whitehead, Sebastian R. Hobson, Viji Ayyathurai, Anum Rahman, Rojan Saghian, Karl J. Jobst, Cyrethia McShane, Dana Block-Abraham, Viola Seravalli, Melissa Laurie, Sarah Millard, Cassandra Delp, Denise Wolfson, Ahmet A. Baschat, Kellie E. Murphy, Lena Serghides, Eric Morgen, Christopher K. Macgowan, W.Tony Parks, John C. Kingdom, John G. Sled