Perhaps you should try some spelling variations:
decreases sperm » decreased sperm (Expand search), decreases serum (Expand search), decreasing sperm (Expand search)
sperm decrease » term decrease (Expand search), speed decrease (Expand search), speed decreases (Expand search)
decrease final » decrease fungal (Expand search), decrease fetal (Expand search), decrease renal (Expand search)
final patterns » renal patterns (Expand search), tonal patterns (Expand search), ordinal patterns (Expand search)
akt decreases » salt decreases (Expand search), and decreases (Expand search), but decreases (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 akt decreases sperm decrease ) OR ( decrease to decrease final patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease akt decreases sperm decrease ) OR ( decrease to decrease final patterns ))*.