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