External url https://brage.bibsys.no/xmlui/bitstream/handle/11250/2494783/Berg_et_al-2018-BJOG__An_International_Journal_of_Obstetrics_%26_Gynaecology.pdf?sequence=1 Tags Kvinnehelse Cover photo bjog_forside.png Forfatter(e) Berg, Rigmor C. et.al
