Perhaps you should try some spelling variations:
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease treg » decrease the (Expand search), decrease their (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any decrease (Expand search)
treg boa » tree boa (Expand search), treg nod (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 AND decrease akt decrease ) OR ( decrease during decrease treg boa ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease AND decrease akt decrease ) OR ( decrease during decrease treg boa ))*.