Perhaps you should try some spelling variations:
decrease survival » decreased survival (Expand search), decreases survival (Expand search), increase survival (Expand search)
statins decrease » statins increase (Expand search), taping decrease (Expand search), skins decrease (Expand search)
survival pattern » survival patterns (Expand search), survival after (Expand search), survival protein (Expand search)
decrease quotas » decrease total (Expand search)
disease statins » disease staging (Expand search), disease status (Expand search), disease stages (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: "(( decrease of decrease quotas decrease ) OR ( disease statins decrease survival pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decrease quotas decrease ) OR ( disease statins decrease survival pattern ))*.