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 treg » decrease the (Expand search)
treg decrease » the decrease (Expand search), urea decrease (Expand search), drugs decrease (Expand search)
decrease coat » decrease costs (Expand search), decrease at (Expand search), decrease total (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)
coat effect » cost effect (Expand search), out effect (Expand search), bout effect (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 their decrease treg decrease ) OR ( decrease to decrease coat effect ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease their decrease treg decrease ) OR ( decrease to decrease coat effect ))*.