๐”– Bobbio Scriptorium
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Down syndrome, water fluoridation, and maternal age

โœ Scribed by Erickson, J. David


Book ID
112216986
Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
359 KB
Volume
21
Category
Article
ISSN
0040-3709

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## SUMMARY Recent cytogenetic evidence has shown that trisomy 21 can arise, perhaps even in substantial proportion, from paternal nondisjunction. The statistical association between Down syndrome incidence and maternal age, paternal age and birth order has been studied in a sample of over 4000 case