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Federal
National Death Index
U.S. Department of Health & Human Services —
The National Death Index (NDI) is a centralized database of death record information on file in state vital statistics offices. Working with these state offices, the... -
Federal
National Health Interview Survey
U.S. Department of Health & Human Services —
The National Health Interview Survey (NHIS) is the principal source of information on the health of the civilian noninstitutionalized population of the United States...