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 recall » decrease renal (Expand search), decreases rectal (Expand search), decrease overall (Expand search)
decrease or » decrease on (Expand search), decrease pro (Expand search), decrease toc (Expand search)
or decrease » not decrease (Expand search), to decrease (Expand search), _ decrease (Expand search)
decrease of » decrease in (Expand search)
of decrease » not decrease (Expand search), to decrease (Expand search), _ decrease (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 OR decrease recall process ) OR ( decrease lesions decrease of decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decrease recall process ) OR ( decrease lesions decrease of decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decrease recall process ) OR ( decrease lesions decrease of decrease ))*.