Perhaps you should try some spelling variations:
decrease buffering » decrease suffering (Expand search), increased buffering (Expand search), decrease during (Expand search)
buffering effect » lowering effect (Expand search)
decrease treg » increase treg (Expand search), decrease their (Expand search)
treg decrease » urea decrease (Expand search), drugs decrease (Expand search), break decrease (Expand search)
decrease flow » decreases flow (Expand search), decrease low (Expand search), decrease food (Expand search)
flow decrease » flow increase (Expand search), to decrease (Expand search), not decrease (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and 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 treg decrease flow decrease ) OR ( decrease the decrease buffering effect ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease treg decrease flow decrease ) OR ( decrease the decrease buffering effect ))*.