Perhaps you should try some spelling variations:
decrease mutational » decreased functional (Expand search), integrase mutational (Expand search)
mutational patterns » mutation patterns (Expand search), motivational patterns (Expand search), nutritional patterns (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 that » decrease at (Expand search), decrees that (Expand search), decree that (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (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)

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 that decrease ) OR ( decrease costs decrease mutational patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease the decrease that decrease ) OR ( decrease costs decrease mutational patterns ))*.