Nalaganje...
Abnormal sex ratios in human populations: Causes and consequences
In the absence of manipulation, both the sex ratio at birth and the population sex ratio are remarkably constant in human populations. Small alterations do occur naturally; for example, a small excess of male births has been reported to occur during and after war. The tradition of son preference, ho...
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| Main Authors: | , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
National Academy of Sciences
2006
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| Teme: | |
| Online dostop: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1569153/ https://ncbi.nlm.nih.gov/pubmed/16938885 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.0602203103 |
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