Snijders, R. J. M Ultrasound makers for fetal chromosomal defects / R. J. M. Snijders and K. H. Nicolaiders - New York : Parthenon Pub Group, 1996 - 194 pages : illustrations ; 26 cm. - Frontiers in fetal medicine series . Includes bibliographical references and index ISBN: 1850706107 RM256.32 LCCN: 95-019473 Subjects--Topical Terms: Chromosome Abnormalities--UltrasonographyUltrasonography, Prenatal