Perhaps you should try some spelling variations:
mean decrease » a decrease (Expand Search)
ng decrease » nn decrease (Expand Search), _ decrease (Expand Search), a decrease (Expand Search)
mg decrease » _ decrease (Expand Search), a decrease (Expand Search), nn decrease (Expand Search)
ms decrease » _ decrease (Expand Search), a decrease (Expand Search), nn decrease (Expand Search)
50 ng » 50 mg (Expand Search), 10 ng (Expand Search), 5 ng (Expand Search)
5 mg » 5 mm (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: "(((( 50 ng decrease ) OR ( 5 mg decrease ))) OR ( 50 ((ms decrease) OR (mean decrease)) ))~".
• Adding a wildcard symbol may retrieve word variants: (((( 50 ng decrease ) OR ( 5 mg decrease ))) OR ( 50 ((ms decrease) OR (mean decrease)) ))*.