Perhaps you should try some spelling variations:
significantly altered » significantly affected (Expand Search), significantly elevated (Expand Search), significantly reduced (Expand Search)
significantly lower » significantly higher (Expand Search)
altered decrease » altered release (Expand Search), observed decrease (Expand Search), teer decrease (Expand Search)
lower decrease » larger decrease (Expand Search), linear decrease (Expand Search), teer decrease (Expand Search)

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

• Removing quotes may allow a broader search: (( significantly altered decrease ) OR ( significantly lower decrease )).