Perhaps you should try some spelling variations:
decreases formalin » decreases mortality (Expand search), decreases brain (Expand search), decreases organ (Expand search)
formalin pattern » formation pattern (Expand search), foraging pattern (Expand search), normal pattern (Expand search)
decrease litter » increased litter (Expand search), decrease after (Expand search), decreases liver (Expand search)
litter decrease » faster decrease (Expand search), life decrease (Expand search)
can decreases » can decrease (Expand search), and decreases (Expand search), c decreases (Expand search)
decrease can » decrease and (Expand search), decrease at (Expand search), decrease on (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 litter decrease in decrease ) OR ( decrease can decreases formalin pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease litter decrease in decrease ) OR ( decrease can decreases formalin pattern ))*.