![](/img/cover-not-exists.png)
Seasonal variation of livebirths, stillbirths, extramarital births and twin maternities in Switzerland
Eriksson, Aldur W, Fellman, JohanVolume:
3
Language:
english
Journal:
Twin Research
DOI:
10.1375/twin.3.4.189
Date:
August, 2000
File:
PDF, 302 KB
english, 2000