Perhaps you should try some spelling variations:
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (Expand search)
decrease total » decreased total (Expand search), increase total (Expand search), decrease fetal (Expand search)
decrease treg » decrease the (Expand search), increase treg (Expand search)
treg decrease » the decrease (Expand search), urea decrease (Expand search), drugs decrease (Expand search)
total objects » postal objects (Expand search), metal objects (Expand search), focal objects (Expand search)

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

• Removing quotes may allow a broader search: (( decrease treg decrease their decrease ) OR ( decrease NOT decrease total objects ))~.