作者单位：
Department of Pediatric Surgery, University Hospital, Lausanne, 1011, Switzerland
[1]
Materno-fetal and Obstetrics Research Unit, Department of Obstetrics and Gynecology, University
[2]
Service of Neonatology, University Hospital, Lausanne, 1011, Switzerland
[3]
Department of Obstetrics and Gynecology, University Hospitals Leuven, Leuven, Belgium
[4]
发布时间
2014-07-16
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