Perhaps you should try some spelling variations:
depressed mechanical » compressed mechanical (Expand search), depressed medical (Expand search), stress mechanical (Expand search)
mechanical testing » mechanical tests (Expand search)
during depressed » during depressive (Expand search), during repressive (Expand search), feeling depressed (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain 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: "(( decrease during depressed mechanical testing ) OR ( decrease their decrease in decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during depressed mechanical testing ) OR ( decrease their decrease in decrease ))*.