Perhaps you should try some spelling variations:
significantly greatest » significantly greater (Expand Search), significantly related (Expand Search), significantly increases (Expand Search)
significantly improve » significantly improved (Expand Search)
greatest decrease » treatment decreased (Expand Search), greater increase (Expand Search)
improve decrease » improve disease (Expand Search), improved urease (Expand Search), improves disease (Expand Search)

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

• Removing quotes may allow a broader search: (( significantly greatest decrease ) OR ( significantly improve decrease )).