Literature, Research and Publications:
- PubMed Central s a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM).
- Google Scholar a simple way to broadly search for scholarly literature.
- BioMedSearch is a biomedical search engine that contains NIH/PubMed documents, a large collection of theses, dissertations, and other proprietary publications not found anywhere else for free, making it one of the most comprehensive and powerful free biomedical searches.
- Substance Abuse Mental Health Services Administration (SAMHSA) for national datasets.