Perhaps you should try some spelling variations:
training decreases » training increases (Expand search)
nitrogen processes » neurogenic processes (Expand search), nitrogen losses (Expand search), nitrogen produsts (Expand search)
decrease training » increased training (Expand search), disease training (Expand search), release training (Expand search)
decrease nitrogen » decreases nitrogen (Expand search), increase nitrogen (Expand search), increased nitrogen (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)

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

• Removing quotes may allow a broader search: (( decrease training decreases in decrease ) OR ( decrease to decrease nitrogen processes ))~.