Perhaps you should try some spelling variations:
significantly mediate » significantly mediated (Expand Search), significantly moderate (Expand Search), significantly predicted (Expand Search)
significantly linked » significantly longer (Expand Search), significantly altered (Expand Search), significantly changed (Expand Search)
mediate decrease » mediated defense (Expand Search), mean decrease (Expand Search)
linked decrease » marked decrease (Expand Search), linear decrease (Expand Search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( significantly mediate decrease ) OR ( significantly linked decrease ))*.