Perhaps you should try some spelling variations:
decrease defecation » decreases infection (Expand search), decrease predation (Expand search), decrease cooperation (Expand search)
defecation patterns » defoliation patterns (Expand search), vegetation patterns (Expand search), selection patterns (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease or (Expand search)
on decrease » on decreased (Expand search), or decrease (Expand search), of decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease to decrease _ decrease ) OR ( decrease on decrease defecation patterns ))~.