Perhaps you should try some spelling variations:
after preprocessing » after reprocessing (Expand search), after processing (Expand search), data preprocessing (Expand search)
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 after » increase after (Expand search), disease after (Expand search)
decreased to » decreased the (Expand search), decreased tgf (Expand search), decreased in (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: "(( decreased to decrease after preprocessing ) OR ( decrease lesions decrease OR decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decreased to decrease after preprocessing ) OR ( decrease lesions decrease OR decrease ))*.