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Comparison of circulating maternal placenta growth factor levels and sonographic evaluation of patients with abnormal first trimester screening analytes |
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| Authors: | Eran Ashwal Johannes Keunen Anjana Ravichandran Katie Ellul Swati Agrawal Sebastian R Hobson Rory C Windrim John C Kingdom |
| Institution: | 1. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Hamilton Health Sciences, McMaster University, Hamilton, Ontario, Canada;2. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Sinai Health System, University of Toronto, Toronto, Ontario, Canada |
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