Male/female birth ratio of Europeans in West Africa.
| Autor: | JEFFREYS MD |
|---|---|
| Jazyk: | angličtina |
| Zdroj: | South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde [S Afr Med J] 1957 Dec 28; Vol. 31 (52), pp. 1316-8. |
| Databáze: | MEDLINE |
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