I thought I would share this tip.

Via twitter I was asked by @AliceMBuchan if it was possible to restrict the results to all the primary research articles.  Currently, we have four separate primary research ‘sections’:

For secondary research we have a filter that allows a user to select ‘All Secondary Evidence’ but nothing similar for primary research.  While I’m not sure there is demand for an ‘All Primary Research’ button I’ve been able to create a hack.

If you follow this link it shows such a search for prostate cancer.  Simply remove the term prostate cancer from the search and add the search term(s) of interest.