Karyotypic and Molecular Genetic Changes Associated With Fetal Cardiovascular Abnormalities: Results of a Retrospective 4-Year Ultrasonic Diagnosis Study
1. Department of Gynecology and Obstetrics, Southwest Hospital, Third Military Medical University, Chongqing 400038, China;;2. Department of Gynecology and Obstetrics, Chengdu Military General Hospital, Chengdu 610083, China.