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- Corporate/Agency Authors:
- National Center for Health Statistics and Health, Education and Welfare Dept.
- Publisher:
- National Center for Health Statistics
- Date:
- Oct. 1975
- SuDoc number:
- HE 20.6290/2:962-74 and HE 20.6209/2:962-74
- Corporate/Agency Authors:
- National Center for Health Statistics and Health, Education and Welfare Dept.
- Publisher:
- National Center for Health Statistics
- Date:
- May 1974
- SuDoc number:
- HE 20.6209/2:962-73