Perhaps you should try some spelling variations:
during depressed » during depressive (Expand search), during repressive (Expand search), feeling depressed (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), disease during (Expand search)
decrease will » decrease with (Expand search), decrease cell (Expand search), decrease il (Expand search)
depressed pv » depressed nk (Expand search), depressed 26 (Expand search), depressed to (Expand search)
decrease not » decrease of (Expand search), decrease at (Expand search), decrease akt (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)
pv process » uv process (Expand search), prov process (Expand search), uv processes (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 during depressed pv process ) OR ( decrease will decrease NOT decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease during depressed pv process ) OR ( decrease will decrease not decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during depressed pv process ) OR ( decrease will decrease not decrease ))*.