Perhaps you should try some spelling variations:
decrease striatal » disease striatal (Expand search), decrease survival (Expand search), decrease stigma (Expand search)
striatal process » societal process (Expand search), structural process (Expand search), retrieval process (Expand search)
decrease costs » decreasing costs (Expand search), decreases post (Expand search), disease costs (Expand search)
costs decrease » loss decrease (Expand search), not decrease (Expand search), cells decrease (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease rate decrease OR decrease ) OR ( decrease costs decrease striatal process ))~.