Perhaps you should try some spelling variations:
"_ ebv decrease" » "_ _ decrease" (Expand Search)
"5 ng decrease" » "5 _ decrease" (Expand Search), "5 g decrease" (Expand Search), "5 μg decrease" (Expand Search)
"i wt decrease" » "i _ decrease" (Expand Search), "_ wt decrease" (Expand Search), "i et decrease" (Expand Search), "2 wt decrease" (Expand Search)
"_ e decrease" » "_ _ decrease" (Expand Search), "_ _ decreased" (Expand Search), "_ _ decreases" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("5 ng decrease") OR ((((("_ e decrease") OR ("_ ebv decrease"))) OR ("i wt decrease"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"5 ng decrease\") OR (((((\"_ e decrease\") OR (\"_ ebv decrease\"))) OR (\"i wt decrease\"))))".
• Removing quotes may allow a broader search: (( 5 ng decrease ) OR ((((( _ e decrease ) OR ( _ ebv decrease ))) OR ( i wt decrease )))).
• Adding a wildcard symbol may retrieve word variants: (("5 ng decrease") OR ((((("_ e decrease") OR ("_ ebv decrease"))) OR ("i wt decrease"))))*.