Perhaps you should try some spelling variations:
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
lesions disease » lesions decrease (Expand search), lesions decreased (Expand search), lesions assessed (Expand search)
disease speech » disease spread (Expand search), disease sleep (Expand search), disease seem (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » and decrease (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease pro (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 lesions disease speech processing ) OR ( decrease the decrease to decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease lesions disease speech processing ) OR ( decrease the decrease to decrease ))*.