机构:Department of Anesthesiology, Regional Hospital of Koudougou, Koudougou BP 300, Burkina Faso,Department of Gynecology, Regional Hospital of Koudougou, Koudougou BP 300, Burkina Faso,Department of Anesthesiology, Cochin Hospital, Paris +33, France,Department of Anesthesiology, Teaching Hospital Yalga