Perhaps you should try some spelling variations:
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
decrease ictal » decrease fetal (Expand search), decrease total (Expand search), decreases rectal (Expand search)
ictal pattern » ictal patterns (Expand search), fractal pattern (Expand search), digital pattern (Expand search)
decrease can » decrease and (Expand search), decrease at (Expand search), decrease on (Expand search)
can increase » an increase (Expand search), and increase (Expand search), an increased (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain 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 in decrease can increase ) OR ( decrease during decrease ictal pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease in decrease can increase ) OR ( decrease during decrease ictal pattern ))*.