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pubmed:abstractText |
Mortality data are important tools for research requiring vital status information. We reviewed the major mortality databases and mortality ascertainment services available in the United States, including the National Death Index (NDI), the Social Security Administration (SSA) files, and the Department of Veterans Affairs databases.
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pubmed:affiliation |
Veterans Affairs Information Resource Center, Department of Veterans Affairs Health Service Research and Development Service Resource Center at the Edward Hines, Jr, Veterans Affairs Hospital, Hines, IL 60141-5000, USA.
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