Perhaps you should try some spelling variations:
significantly mediate » significantly mediated (Expand Search), significantly predicted (Expand Search), significantly mitigated (Expand Search)
significantly weaker » significantly greater (Expand Search), significantly better (Expand Search), significantly related (Expand Search)
mediate decrease » mean decrease (Expand Search), mediated defense (Expand Search)
weaker decrease » greater decrease (Expand Search), teer decrease (Expand Search), water decreases (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 weaker decrease )).