Perhaps you should try some spelling variations:
decrease survival » decreased survival (Expand search), decreases survival (Expand search), increase survival (Expand search)
survival patterns » spatial patterns (Expand search), survival after (Expand search), survival pathways (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
decrease std » decrease sod (Expand search), decrease at (Expand search), decrease its (Expand search)
std decrease » to decrease (Expand search), spp decrease (Expand search), stent decrease (Expand search)
decrees that » devices that (Expand search), trees that (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: (( decrease AND decrease std decrease ) OR ( decrees that decrease survival patterns ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease std decrease ) OR ( decrees that decrease survival patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease std decrease ) OR ( decrees that decrease survival patterns ))*.