Perhaps you should try some spelling variations:
lesions decrease » response decrease (Expand search), lesions case (Expand search)
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
decrease owing » decrease lodging (Expand search), decrease during (Expand search), decrease with (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
owing after » growing after (Expand search), coping after (Expand search), grwing after (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 of decrease in decrease ) OR ( decrease lesions decrease owing after ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decrease in decrease ) OR ( decrease lesions decrease owing after ))*.