Perhaps you should try some spelling variations:
decrease variant » decreases ovarian (Expand search), decreased ovarian (Expand search), decrease asian (Expand search)
speed decreases » speed decrease (Expand search), seeds decreases (Expand search), showed decreased (Expand search)
variant pattern » invariant pattern (Expand search), variate pattern (Expand search), ovarian patterns (Expand search)
decrease speed » decrease need (Expand search), decreased sperm (Expand search), decreases sperm (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any decrease (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (Expand search)
or decrease » of decrease (Expand search), not 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 OR decrease speed decreases ) OR ( decrease akt decrease variant pattern ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decrease speed decreases ) OR ( decrease akt decrease variant pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decrease speed decreases ) OR ( decrease akt decrease variant pattern ))*.