485 resultados para National Center for Health Statistics (U.S.)
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"PB 283 164."
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Project officer: William B. Fetters.
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"June 1993."
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Mode of access: Internet.
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Mode of access: Internet.
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"October 1982."
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Shipping list no.: 87-340-P.
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"January 1999"--P. [4] of cover.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"OE-10024."
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Mode of access: Internet.
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"Prepared by Research Triangle Institute under contract no. OEC-0-73-6666 with U.S. Dept. of Health, Education, and Welfare."
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Includes bibliographies.