Article Text
Causation
Higher maternal age at birth was associated with increased self sufficiency of children at age 27 to 33 years
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Footnotes
Sources of funding: W T Grant Foundation; Robert Wood Johnson Foundation; Johns Hopkins Population Center.
For article reprint: Dr J B Hardy, 550 North Broadway, Suite 508, Baltimore, MD 21205, USA. Fax +1 410 614 1885.