Lindqvist P G, Thurn L
Clintec, Karolinska Institute and Division of Obstetrics and Gynaecology, Karolinska University Hospital, Huddinge, Sweden.
Clinical Sciences, Department of Obstetrics and Gynaecology, Lund University, Lund, Sweden.
BJOG. 2016 May;123(6):1032. doi: 10.1111/1471-0528.13760.