Substance Abuse and Mental Health Data Archive (SAMHDA)
(For resources, this is the publication date. For programs, this is the date posted.)
Inter-university Consortium for Political and Social Research (ICPSR)
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SAMHDA holdings consist mainly of data derived from surveys and administrative records. These data were originally collected for specific research or administrative purposes. The holdings contain over 120 studies and 425 downloadable data files.