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The National Health and Nutrition Examination Survey: Sample Design, 1999-2006.
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- Vital & Health Statistics Series 2: Data Evaluation & Methods Research, 2012, n. 155, p. 1
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- Article
NCHS Urban--Rural Classification Scheme for Counties.
- Published in:
- Vital & Health Statistics Series 2: Data Evaluation & Methods Research, 2012, n. 154, p. 1
- Publication type:
- Article
Nonresponse in the National Survey of Children's Health, 2007.
- Published in:
- Vital & Health Statistics Series 2: Data Evaluation & Methods Research, 2012, n. 156, p. 1
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- Publication type:
- Article