Turku University Hospital, Turku, Finland
Department of Anaesthesiology, Intensive Care, Emergency Care and Pain Medicine, Turku University and Turku University Hospital, Turku, Finland
Turku University Hospital, Turku, Finland
Dept of Obstetrics and Gynecology, North Carelia Central Hospital, Joensuu, Finland
Dept of Obstetrics and Gynecology, Päijät-Häme Central Hospital, Lahti, Finland
Dept of Obstetrics and Gynecology, Turku University Central Hospital, Turku, Finland
Turku University hospital, Turku, Finland
Turku University Hospital, Turku, Finland
Turku University Hospital, Turku, Finland
Department of Anaesthesiology, Intensive Care, Emergency Care and Pain Medicine, Turku University and Turku University Hospital, Turku, Finland
Turku University Hospital, Turku, Finland