作者单位：Division of Gynecology, Departments of Medicine and Surgery, Children's Hospital Boston and Harvard[1]Department of Obstetrics, Gynecology, and Reproductive Biology, Brigham and Women's Hospital and[2]Department of Surgery, Children's Hospital Boston and Harvard Medical School, Boston, MA, United[3]Department of Radiology, Children's Hospital Boston and Harvard Medical School, Boston, MA, United[4]
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