Perhaps you should try some spelling variations:
decreases rectal » decreases renal (Expand search), decreases crystal (Expand search), decreases local (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease ratio » decreased ratio (Expand search), decrease at (Expand search), decreased rate (Expand search)
ratio decrease » rate decrease (Expand search), rapid decrease (Expand search), ratio increase (Expand search)
rectal pattern » fractal pattern (Expand search), dental pattern (Expand search), racial pattern (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( decrease during decrease ratio decrease ) OR ( decrease OR decreases rectal pattern ))~.