485 resultados para National Center for Health Statistics (U.S.)
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"June 1, 1979."
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"June 1, 1979."
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DOT HS-803 259.
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Cover title.
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Cover title.
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Mode of access: Internet.
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"August 1973."
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"March 1987."
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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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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Includes bibliographies and index.