Obstetrics and Gynecology · 2012 · 371 citations · 0 references
MedicineGynecologyObstetricsGeneral GynecologyReproductive HealthReproductive MedicineObstetric ManagementPregnancy
Obstetrics & Gynecology: July 2012 - Volume 120 - Issue 1 - p 197-206 doi: 10.1097/AOG.0b013e318262e320