Perhaps you should try some spelling variations:
lesions decrease » response decrease (Expand search), lesions case (Expand search)
disease lesions » disease lessons (Expand search), diseases lessons (Expand search)
fear processor » fear processing (Expand search), field processor (Expand search), arm processor (Expand search)
decrease fear » decreased fear (Expand search), decrease fetal (Expand search), decreased heart (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
decrease pro » decrease or (Expand search), decrease food (Expand search), decrease treg (Expand search)
pro disease » to disease (Expand search), fno disease (Expand search), vitro disease (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 AND decrease fear processor ) OR ( decrease pro disease lesions decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease fear processor ) OR ( decrease pro disease lesions decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease fear processor ) OR ( decrease pro disease lesions decrease ))*.