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Stat Med. 2010 Jun 15;29(13):1359. doi: 10.1002/sim.3687.

Proceedings of 'the challenges and promises of a follow-up study of a randomly selected cohort of 100,000 pre and post conception women and their offspring through 21 years of life: design, implementation and analysis issues of the National Children's Study '.

Author information

1
Department of Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA. jellenbe@mail.med.upenn.edu
PMID:
20527008
DOI:
10.1002/sim.3687
[Indexed for MEDLINE]

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