Blix Ellen
Department of Clinical Research, North Norway University Hospital, Tromsø, Norway; Research group for Women's Health and Perinatology, Department of Clinical Medicine, Tromsø University, Tromsø, Norway.
Acta Obstet Gynecol Scand. 2014 Apr;93(4):429-30. doi: 10.1111/aogs.12311. Epub 2014 Jan 28.