Perhaps you should try some spelling variations:
with decreased » with increased (Expand search)
decrease with » decreases with (Expand search), increase with (Expand search), decrease in (Expand search)
decreased and » decreases and (Expand search), decrease and (Expand search), decreased in (Expand search)
decrease treg » decrease the (Expand search), increase treg (Expand search), decrease their (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
treg objects » free objects (Expand search), art objects (Expand search), from objects (Expand search)
decrease il » decreased il (Expand search), decrease in (Expand search), decrease hiv (Expand search)
il decrease » l decrease (Expand search), will decrease (Expand search), oil decreases (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease with decreased AND decrease ) OR ( decrease il decrease treg objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease with decreased and decrease ) OR ( decrease il decrease treg objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease with decreased and decrease ) OR ( decrease il decrease treg objects ))*.