Perhaps you should try some spelling variations:
ratio decreased » ratio decrease (Expand search), rats decreased (Expand search), to decreased (Expand search)
decrease ratio » decreased ratio (Expand search), decrease at (Expand search), decreased rate (Expand search)
decrease help » decrease cell (Expand search), decrease their (Expand search), decrease the (Expand search)
help decrease » help increase (Expand search), cells decrease (Expand search), the decrease (Expand search)
decreased akt » decreased akt1 (Expand search), decrease akt (Expand search), decreased and (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
akt object » art object (Expand search), art objects (Expand search), iot object (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease help decrease in decrease ) OR ( decrease ratio decreased akt object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease help decrease in decrease ) OR ( decrease ratio decreased akt object ))*.