Perhaps you should try some spelling variations:
"59 nn decrease" » "59 _ decrease" (Expand Search), "59 a decrease" (Expand Search), "59 mean decrease" (Expand Search), "59 n_ decrease" (Expand Search), "59 na decrease" (Expand Search), "59 n_ decreased" (Expand Search)
"5 ng decrease" » "5 _ decrease" (Expand Search), "5 a decrease" (Expand Search), "5 we decrease" (Expand Search), "5 g decrease" (Expand Search), "5 nm decrease" (Expand Search), "5 kg decrease" (Expand Search)
"5 mg decrease" » "5 _ decrease" (Expand Search), "5 a decrease" (Expand Search), "5 we decrease" (Expand Search), "5 mm decrease" (Expand Search)
"50 n decrease" » "50 _ decrease" (Expand Search), "50 a decrease" (Expand Search), "50 _ decreased" (Expand Search), "50 ns decrease" (Expand Search), "50 ng decrease" (Expand Search), "50 μ decrease" (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: "((\"59 nn decrease\") OR (((\"50 n decrease\") OR (((\"5 ng decrease\") OR (\"5 mg decrease\"))))))~".
• Removing quotes may allow a broader search: (( 59 nn decrease ) OR ((( 50 n decrease ) OR ((( 5 ng decrease ) OR ( 5 mg decrease ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("59 nn decrease") OR ((("50 n decrease") OR ((("5 ng decrease") OR ("5 mg decrease"))))))*.