-
Cervical length and obstetric history predict spontaneous preterm birth: development and validation of a model to provide individualized risk assessment.
Celik E, To M, Gajewska K, Smith GC, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:549-54. -
Some thoughts on the true value of ultrasound.
Nicolaides KH.
Ultrasound Obstet Gynecol 2007;30:671-4.