Perhaps you should try some spelling variations:
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 treg » decrease the (Expand search), decrease their (Expand search)
treg decrease » the decrease (Expand search), urea decrease (Expand search), drugs decrease (Expand search)
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (Expand search)
decrease age » decrease the (Expand search), decrease and (Expand search), decrease akt (Expand search)
age process » agile process (Expand search), range process (Expand search), stage process (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 treg decrease age process ) OR ( decrease that decrease lesions decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease treg decrease age process ) OR ( decrease that decrease lesions decrease ))*.