Perhaps you should try some spelling variations:
decrease spacing » decrease replacing (Expand search), decreases spreading (Expand search), decreases weaning (Expand search)
decrease strain » increase strain (Expand search), decreases pain (Expand search), decreased brain (Expand search)
strain decrease » brain decreases (Expand search), strains increases (Expand search), stress decreases (Expand search)
decreased renal » decreases renal (Expand search), decreased rankl (Expand search), decreased level (Expand search)
renal decrease » removal decrease (Expand search), signal decrease (Expand search), renal disease (Expand search)
spacing effect » sparing effect (Expand search), healing effect (Expand search), aging effect (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search), _ 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 strain decrease the decrease ) OR ( decreased renal decrease spacing effect ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease strain decrease the decrease ) OR ( decreased renal decrease spacing effect ))*.