Perhaps you should try some spelling variations:
decrease mortality » decreases mortality (Expand search), decreased mortality (Expand search), increase mortality (Expand search)
decreases weaning » increased weaning (Expand search), decreases spreading (Expand search), decreases pain (Expand search)
weaning decrease » taping decrease (Expand search), craving decrease (Expand search), training decreases (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt decrease » and decrease (Expand search), any decrease (Expand search), salt decreases (Expand search)
decrease not » decrease of (Expand search), decrease at (Expand search), decrease on (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (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: (( decreases weaning decrease akt decrease ) OR ( decrease NOT decrease mortality after ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decreases weaning decrease akt decrease ) OR ( decrease not decrease mortality after ))~".
• Adding a wildcard symbol may retrieve word variants: (( decreases weaning decrease akt decrease ) OR ( decrease not decrease mortality after ))*.