| 篇名 | 作者 | 刊名 | 出版年 | 查看 |
|---|
| Infant mortality in Denmark and Sweden A comparison based on data in twonational registries |
Knudsen, L.B.;Kallen, A.J.B.; |
European Journal of Obstetrics & Gynecology and Reproductive Biology |
1997-12-01 |
查看 |
| Infant mortality in Denmark and Sweden - A comparison based on data in twonational registries |
Knudsen, L.B.;Bengt Kallen, A.J.; |
European Journal of Obstetrics & Gynecology and Reproductive Biology |
1997-12-01 |
查看 |
| Infant mortality in Denmark and Sweden |
Knudsen, L.B.;Bengt Kallen, A.; |
European Journal of Obstetrics & Gynecology and Reproductive Biology |
1997-12-01 |
查看 |
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