Perhaps you should try some spelling variations:
decreased risk » increased risk (Expand search), decreased in (Expand search)
decrease pro » decrease or (Expand search), decrease food (Expand search), decrease treg (Expand search)
pro decrease » to decrease (Expand search), or decrease (Expand search), price decrease (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any decrease (Expand search)
risk object » disk object (Expand search), mask object (Expand search), task object (Expand search)

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

• Removing quotes may allow a broader search: (( decrease pro decrease akt decrease ) OR ( decrease _ decreased risk object ))~.