Protocols for high-risk pregnancies : an evidence-based approach / edited by John T. Queenan, Catherine Y. Spong, Charles J. Lockwood. - Sixth edition. - xiv, 492 pages : illustrations ; 25 cm. Includes bibliographical references and index. ISBN: 9781119000877 RM521.76 Subjects--Topical Terms: Pregnancy complications.Pregnancy, High-Risk.Evidence-Based Medicine.