作者单位:
Department of Obstetrics and Gynecology, University of Cincinnati, Cincinnati, OH, United States
[1]
Department of Obstetrics and Gynecology, Kaiser Permanente, San Diego, CA, United States
[2]
Department of Reproductive Medicine, University of California, 200 West Arbor Drive, San Diego, CA
[3]
Department of Pediatrics, University of California, San Diego, CA, United States
[4]
发布时间
2013-11-20