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1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files - File Specifications
The following links include file specifications for the NIS Trends Supplemental files including the dataset name, number of observations, and record layout. Documents are provided in ASCII text format.
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
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