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Prenatal diagnosis and outcome of echogenic fetal lung lesions.
Cavoretto P, Molina F, Poggi S, Davenport M, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:769-83. -
Single umbilical artery at 11-14 weeks' gestation: relation to chromosomal defects.
Rembouskos G, Cicero S, Longo D, Sacchini C, Nicolaides KH.
Ultrasound Obstet Gynecol 2003;22:567-70.