Perhaps you should try some spelling variations:
decrease buffer » decrease after (Expand search), decrease burden (Expand search), decrease suffering (Expand search)
buffer effects » buffer effect (Expand search), after effects (Expand search), under effects (Expand search)
decrease treg » decrease their (Expand search)
treg decrease » urea decrease (Expand search), drugs decrease (Expand search), break decrease (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease the decrease of decrease ) OR ( decrease treg decrease buffer effects ))~.