Your librarians - Erika, Stephen, Izzy, Gillian & Elen.
This guide will provide some high quality grey literature sources for medical and health sciences but it isn't exhaustive.
Grey literature refers to both published and unpublished research material that is not available commercially.
Some examples of grey literature are:
Grey literature can be the best source of up-to-date research on some topics note however that grey literature is usually not subject to peer review and must be evaluated accordingly.
Please do let us know if you discover a source you feel would be a good addition to the guide.