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Grey Literature in Health

Search Engines

Google Search Tips (slides)

Search Strings for Search Engines

Some of the search techniques used to search databases can be used in search engines. To be thorough use more than one search engine, e.g. Google, Bing, Yahoo etc.

Useful domains are .gov,, etc. and .org

You can also limit your search to Word or PDF documents

India "mobile telemedicine" ( OR

India "mobile telemedicine" (filetype:pdf OR filetype:doc)