Perhaps you should try some spelling variations:
significantly affected » significantly associated (Expand Search), significantly reduced (Expand Search), significant effect (Expand Search)
significantly improve » significantly improved (Expand Search)
affected decrease » affected areas (Expand Search), effects decreased (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 affected decrease ) OR ( significantly improve decrease )).