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 costs » decreasing costs (Expand search), decreases post (Expand search), disease costs (Expand search)
in decreased » is decreased (Expand search), in deceased (Expand search), and decreased (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (Expand search)
costs based » cost based (Expand search), cots based (Expand search), hosts based (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 decreased ) OR ( decrease lesions decrease costs based ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decrease in decreased ) OR ( decrease lesions decrease costs based ))*.