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Effects of grandparental and parental age, birth order, and geographic variation on the sex ratio of live-born and stillborn infants.
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| Main Authors: | , |
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| Format: | Artigo |
| Language: | Inglês |
| Published: |
1968
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| Subjects: | |
| Online Access: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1706360/ https://ncbi.nlm.nih.gov/pubmed/5666646 |
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