Seasonal variation in the occurrence of pre-eclampsia

British Journal of Obstetrics and Gynaecology - Tập 108 - Trang 1116-1119 - 2001
Per Magnus1, Anne Eskild1,2
1Section of Epidemiology, National Institute of Public Health, Oslo, Norway
2Department of Obstetrics and Gynaecology, Ullevål University Hospital, Oslo, Norway

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