Seeds, John W., Practical sonography in obstetrics and gynecology / by John W. Seeds, Nancy C. Chescheir and Ronald V. Wade. - 2nd ed. - Philadelphia : Lippincott-Raven Publishers, 1996. - 308 pages : illustration ; 24 cm. ISBN: 0781703352 RM197.34 Subjects--Topical Terms: Ultrasonography, PrenatalPregnancy Complications--ultrasonographyGenital diseases, Female--Ultrasonography