Perhaps you should try some spelling variations:
decrease field » decreases yield (Expand search), increase field (Expand search), decrease lipid (Expand search)
field objects » fields objects (Expand search), field object (Expand search), field subjects (Expand search)
in decreased » is decreased (Expand search), in deceased (Expand search), and decreased (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (Expand search)
decrease il » decreased il (Expand search), decrease hiv (Expand search), decrease _ (Expand search)
il decrease » l decrease (Expand search), will decrease (Expand search), oil decreases (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 of decrease in decreased ) OR ( decrease il decrease field objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decrease in decreased ) OR ( decrease il decrease field objects ))*.