Perhaps you should try some spelling variations:
significantly greatest » significantly greater (Expand Search), significantly related (Expand Search), significantly increases (Expand Search)
significantly longer » significantly lower (Expand Search), significantly larger (Expand Search), significantly higher (Expand Search)
greatest decrease » treatment decreased (Expand Search), greater increase (Expand Search)
longer decrease » larger decrease (Expand Search), linear decrease (Expand Search), largest decrease (Expand Search)

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

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