Perhaps you should try some spelling variations:
decrease processes » disease processes (Expand search), decay processes (Expand search), increase process (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decreases disease (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 growing » decrease owing (Expand search), decrease following (Expand search), decrease flooding (Expand search)
growing systems » growing system (Expand search), grazing systems (Expand search), grounding systems (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (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 decrease decrease processes ) OR ( decrease in decrease growing systems ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease lesions decrease decrease processes ) OR ( decrease in decrease growing systems ))*.