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Disproportion in the falling birth rate.
Since 1962 there has been a disproportionately greater fall in the number of small (less than 1000 g) live births than total live births: this has applied to Sheffield and to England and Wales but more to the former. This may have affected falling neonatal mortality rates.
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| Materialtyp: | Artigo |
| Språk: | Inglês |
| Publicerad: |
1977
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| Länkar: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1631594/ https://ncbi.nlm.nih.gov/pubmed/912376 |
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