410 2 _
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National Center for Health Statistics (U.S.)
‡t
Vital & health statistics.
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Series 4,
‡p
Documents and committee reports
410 2 _
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National Center for Health Statistics (U.S.)
‡t
Vital and health statistics.
‡n
Series 4,
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Documents and committee reports
410 1 _
‡a
United States.
‡b
National Center for Health Statistics.
‡t
Vital and health statistics :
‡n
Series 4,
‡p
Documents and committee reports
430 _ 0
‡a
Vital & health statistics.
‡n
Series 4,
‡p
Documents and committee reports