NZResearch research papers and related resources from New Zealand universities, polytechnics and research organisations
data.govt.nz an all-of-government website containing bringing together published data from multiple agencies
Best Practice Advocacy Centre New Zealand (bpacNZ) useful for drug information and laboratory tests
PHARMAC New Zealand government funding agency for medicines
Adams, R. J., Smart, P., & Huff, A. S. (2017). Shades of grey: Guidelines for working with the grey literature in systematic reviews for management and organizational studies. International Journal of Management Reviews, 19(4), 432-454. doi:10.1111/ijmr.12102
Grey Matters (CADTH) an extensive list of grey literature sources for health
TRiP a search engine for clinical evidence. TRiP simultaneously searches systematic reviews, guidelines, ongoing clinical trials, as well as millions of articles.
Clinical trial registers
Antidote University of York guide to finding clinical trials, research registers and research results.
ANZCTR (Australian New Zealand Clinical Trials Registry)
ICTRP (International Clinical Trials Registry Platform)
mRCT (metaRegister of Controlled Trials)
National Guideline Clearing House [NGC closed in 2018]
SIGN Scottish Intercollegiate Guidelines Network
NICE National Institute for Health and Care Excellence Guidelines
OSF Preprints (Open Science Framework). Can be used to search for preprints and documents in a range of repositories, including: arXiv, bioRxiv, Cogprints, EdArXiv, PeerJ, Preprints.org, PsyArXiv, SportRxiv, Thesis commons.
Directory of Open Access Repositories (OpenDOAR) - Browse and search through thousands of registered repositories