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Ductus venosus flow at 11-13 weeks in the prediction of birth weight discordance in monochorionic twins.
Matias A, Maiz N, Montenegro N, Nicolaides K.
J Perinat Med 2011;39:467-70. -
Some thoughts on the true value of ultrasound.
Nicolaides KH.
Ultrasound Obstet Gynecol 2007;30:671-4.