IRIS is the World Health Organisation's Institutional Repository for Information Sharing. The database provides access to all World Health Organisation publications.
Provides access to bibliographic information about ongoing and published health technology assessments commissioned or undertaken by HTA organisations from around the world. A valuable source for identifying grey literature as much of the information it contains is only available directly from individual funding agencies.
A grey literature tool developed by The Canadian Agency for Drugs and Technologies in Health (CADTH). This searchable list includes sites for health technology assessment agencies, health economics, clinical practice guidelines, free databases, statistics and more, with international coverage.