Perhaps you should try some spelling variations:
by preprocessing » the preprocessing (Expand search), and preprocessing (Expand search), by processing (Expand search)
decrease adhesin » decrease adhesion (Expand search), decreased cathepsin (Expand search), increases adhesion (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search)
decrease by » decreased by (Expand search), decrease in (Expand search), decrease of (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
decreases » decreased (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 the decrease by preprocessing ) OR ( decrease adhesin decreases in decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease the decrease by preprocessing ) OR ( decrease adhesin decreases in decrease ))*.