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 increase » lesions decrease (Expand search), neurons increases (Expand search), levels increase (Expand search)
increase after » decrease after (Expand search)
or decrease » of 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)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( decrease lesions increase after preprocessing ) OR ( decrease in decrease or decrease ))~.