Perhaps you should try some spelling variations:
decrease variant » decreases ovarian (Expand search), decreased ovarian (Expand search), decrease asian (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
variant pattern » invariant pattern (Expand search), variate pattern (Expand search), ovarian patterns (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
decrease flow » decreases flow (Expand search), decrease low (Expand search), decrease food (Expand search)
flow decrease » flow increase (Expand search), to decrease (Expand search), not decrease (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 rate decrease during decrease ) OR ( decrease flow decrease variant pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate decrease during decrease ) OR ( decrease flow decrease variant pattern ))*.