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)
unit processing » nut processing (Expand search), fruit processing (Expand search), input processing (Expand search)
decrease strain » increase strain (Expand search), decreases pain (Expand search), decreased brain (Expand search)
strain decrease » strains increases (Expand search), stress decreases (Expand search)
decrease unit » decrease in (Expand search), decrease and (Expand search), decrease hiv (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and 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 lesions decrease unit processing ) OR ( decrease strain decrease NOT decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease lesions decrease unit processing ) OR ( decrease strain decrease not decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease lesions decrease unit processing ) OR ( decrease strain decrease not decrease ))*.