Chudleigh, Patricia. Obstetric ultrasound : how, why, and when / Patricia Chudleigh, J. Malcolm Pearce ; foreword by Stuart Campbell. - Edinburgh ; New York : Churchill Livingstone, 1986 - 194 p. : ill. Includes index. Bibliography: p. [187]. ISBN: 0443031630 (pbk.) 9780443031632 (pbk.) Subjects--Topical Terms: Pregnancy ComplicationsPrenatal DiagnosisUltrasonography National Library of Medicine Call No.: WQ 209 / .C48 1986