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)
mortality based » mortality caused (Expand search), mortality and (Expand search), reality based (Expand search)
decrease any » decrease and (Expand search), decreases and (Expand search), decreased and (Expand search)
any decrease » and decrease (Expand search), can decrease (Expand search), may decrease (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (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: "(( decreases weaning decrease of decrease ) OR ( decrease any decrease mortality based ))~".
• Adding a wildcard symbol may retrieve word variants: (( decreases weaning decrease of decrease ) OR ( decrease any decrease mortality based ))*.