Perhaps you should try some spelling variations:
decrease ovarian » decreases ovarian (Expand search), decreased ovarian (Expand search), decrease asian (Expand search)
ovarian patterns » varied patterns (Expand search), variation patterns (Expand search), location patterns (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
decrease low » decreases low (Expand search), decreases flow (Expand search), decrease of (Expand search)
low decrease » flow decrease (Expand search), loss decrease (Expand search), to decrease (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not 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 AND decrease low decrease ) OR ( decrease toc decrease ovarian patterns ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease low decrease ) OR ( decrease toc decrease ovarian patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease low decrease ) OR ( decrease toc decrease ovarian patterns ))*.