Perhaps you should try some spelling variations:
decreases friction » decreases infection (Expand search), decreased production (Expand search), decreases permeation (Expand search)
friction decrease » fraction decreases (Expand search), action decreases (Expand search), abortion decrease (Expand search)
decrease and » decreases and (Expand search), decrease of (Expand search), decrease the (Expand search)
decrease akt » decrease at (Expand search), decrease after (Expand search), decrease with (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any decrease (Expand search)
in objects » in object (Expand search), on objects (Expand search), and objects (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease AND decreases friction decrease ) OR ( decrease akt decrease in objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decreases friction decrease ) OR ( decrease akt decrease in objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decreases friction decrease ) OR ( decrease akt decrease in objects ))*.