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