作者单位:
Univ Bergen, Dept Global Publ Hlth & Primary Care, Bergen, Norway
[1]
Haukeland Hosp, Dept Obstet & Gynecol, N-5021 Bergen, Norway
[2]
Haukeland Hosp, Ctr Clin Res, Bergen, Norway
[3]
Western Norway Univ Appl Sci, Fac Hlth & Social Sci, Bergen, Norway
[4]
发布时间
2018-10-30