Perhaps you should try some spelling variations:
decrease processes » disease processes (Expand search), decay processes (Expand search), increase process (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decreases disease (Expand search)
decrease after » increase after (Expand search), disease after (Expand search)
increase urea » increased urea (Expand search), increase user (Expand search), increase use (Expand search)
urea decrease » the decrease (Expand search), or decrease (Expand search), urea release (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
sample rate » sample data (Expand search), sample age (Expand search), sample at (Expand search)

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

• Removing quotes may allow a broader search: (( increase urea decrease decrease processes ) OR ( sample rate decrease decrease after ))~.