Grey Literature Resource Guide: Searching For Grey Literature

Agency for Healthcare Research and Quality research results, reports and statistical briefs.

Bielefeld University Library's search engine for academic web resources. Searches over 6,000 sources with most being available as Open Access.

Public health grey literature sources - includes links to Canadian, American, and international academic centers and public health organizations.

A free search engine that searches over 170 academic publications via semantic search technology instead of keyword searching.

Searches billions of documents from government agencies, global health organizations, medical journals, and reference sites.

Funds, produces, quality assures and synthesizes rigorous evidence of evaluations and reviews in low-and middle-income countries.

International archive of electronic theses and dissertations (ETD's)

This page provides specialized searches of published research - PubMed - and research still in progress - HSRProj, and ClinicalTrials.gov - to help inform investigations of comparative effectiveness.

Identify grant numbers, titles, or names of principal investigators. This information can then be used to search PubMed or other databases to find related publications.

Open access journal publishing proceedings of conferences across all scientific and clinical disciplines, including both peer-reviewed full-length articles and collections of abstracts and meeting reports

Links to organizations providing health information primarily within the United States.

Represents biopharmaceutical researchers and biotechnology companies. Search options include media type, conversations, speeches, and white papers.

Represents research-based pharmaceutical companies and associations across the globe. Resources include publications, position papers, and infographics.