Perhaps you should try some spelling variations:
decrease further » increase further (Expand search), disease further (Expand search), decrease the (Expand search)
further decrease » further increase (Expand search), faster decrease (Expand search), the decrease (Expand search)
decrease oxidant » decrease antioxidant (Expand search), decreased antioxidant (Expand search), decreases antioxidant (Expand search)
oxidant decrease » oxide decrease (Expand search), oxidant defense (Expand search), oxide decreases (Expand search)
decrease total » decreased total (Expand search), increase total (Expand search), decrease fetal (Expand search)
total objects » postal objects (Expand search), metal objects (Expand search), focal objects (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)

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 further decrease ) OR ( decrease oxidant decrease total objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease further decrease ) OR ( decrease oxidant decrease total objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease further decrease ) OR ( decrease oxidant decrease total objects ))*.