OBSTETRICS: FETAL DIAGNOSIS AND THERAPY
Harris, Ryan A.; Washington, A. Eugene; Nease, Robert F. Jr.; Kuppermann, Miriam
Departments of Obstetrics, Gynecology, and Reproductive Sciences and Epidemiology and Biostatistics, and the Medical Effectiveness Research Center, University of California, San Francisco; and the Laboratory for Medical Decision Sciences, Division of General Medical Sciences, Department of Internal Medicine, Washington University Medical School and Express Scripts, St. Louis, Missouri