作者单位:
National Institute for Health and Welfare (THL), P.O. Box 30, FI-00271 Helsinki, Finland, Nordic
[1]
Department of Epidemiology, Rollins School of Public Health, Emory University, 1518 Clifton Road NE
[2]
Department of Obstetrics and Gynaecology, Kuopio University Hospital, P.O. Box 100, 70029 Kys
[3]
Fertility Clinic, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, Dk-2100 Copenhagen
[4]
Department of Epidemiology, Harvard School of Public Health, 677 Huntington Avenue, Boston, MA
[5]
发布时间
2014-03-07