TY - BOOK AU - Chudleigh,Patricia AU - Thilaganathan,Basky TI - Obstetric ultrasound: how, why, and when SN - 9780443054716 AV - RG527.5.U48 C48 2004 U1 - 618.207543 22 PY - 2004/// CY - Edinburgh, New York PB - Elsevier Churchill Livingstone KW - Ultrasonics in obstetrics KW - Prenatal Diagnosis KW - methods KW - Pregnancy Complications KW - diagnostic imaging KW - Ultrasonography N1 - Includes bibliographical references and index ER -