Epidemiologic Study of Down Syndrome in a Racially Diverse California Population, 1989–1991
The prevalence of Down syndrome was studied among all live births occurring between 1989 and 1991 in the California counties monitored by the California Birth Defects Monitoring Program. Objectives of this study were: 1) to calculate adjusted prevalence rates and quinquennial maternal age-specific r...
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Veröffentlicht in: | American journal of epidemiology 1997-01, Vol.145 (2), p.134-147 |
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Sprache: | eng |
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