Perhaps you should try some spelling variations:
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
lesions decrease » response decrease (Expand search), lesions case (Expand search)
decrease spatial » decrease survival (Expand search), decrease striatal (Expand search), decrease asian (Expand search)
spatial effect » spatial effects (Expand search), spatial neglect (Expand search), spatial extent (Expand search)
decrease pain » decreases pain (Expand search), decrease in (Expand search), decreased brain (Expand search)
pain decrease » can decrease (Expand search), strain decrease (Expand search), taping decrease (Expand search)
decrease via » decrease in (Expand search), decrease hiv (Expand search), decrease il (Expand search)
via decrease » via decreasing (Expand search), urea decrease (Expand search), will 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 lesions decrease via decrease ) OR ( decrease pain decrease spatial effect ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease lesions decrease via decrease ) OR ( decrease pain decrease spatial effect ))*.