Perhaps you should try some spelling variations:
decreases disease » diseases disease (Expand search), decreases adipose (Expand search), decreases breast (Expand search)
disease processes » disease process (Expand search), disease progress (Expand search), these processes (Expand search)
fiber refractive » linear refractive (Expand search), after refractive (Expand search), fiber relative (Expand search)
decrease fiber » decrease liver (Expand search), decreasing fiber (Expand search), decrease litter (Expand search)
not decreases » not decrease (Expand search), not decreased (Expand search), nfoh decreases (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » can increase (Expand search), and decrease (Expand search), to decrease (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 NOT decreases disease processes ) OR ( decrease can decrease fiber refractive ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease not decreases disease processes ) OR ( decrease can decrease fiber refractive ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease not decreases disease processes ) OR ( decrease can decrease fiber refractive ))*.