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 owing » decrease lodging (Expand search), decrease during (Expand search), decrease in (Expand search)
owing effects » wing effects (Expand search), blowing effects (Expand search), growing effects (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and decrease (Expand search)
decrease or » decrease of (Expand search), decrease pro (Expand search), decrease toc (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to 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 at decrease lesions decrease ) OR ( decrease OR decrease owing effects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease at decrease lesions decrease ) OR ( decrease or decrease owing effects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease at decrease lesions decrease ) OR ( decrease or decrease owing effects ))*.