Perhaps you should try some spelling variations:
caries affected » are affected (Expand search), patients affected (Expand search)
decrease caries » decreased cardiac (Expand search), decreases cardiac (Expand search), decreased calorie (Expand search)
decrease pro » decrease or (Expand search), decrease food (Expand search), decrease treg (Expand search)
pro decrease » or decrease (Expand search), price decrease (Expand search), term decrease (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and 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 to decrease pro decrease ) OR ( decrease at decrease caries affected ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease to decrease pro decrease ) OR ( decrease at decrease caries affected ))*.