Perhaps you should try some spelling variations:
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
lesions decrease » response decrease (Expand search), lesions case (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)
hiv processing » air processing (Expand search), bait processing (Expand search), and processing (Expand search)
decrease hiv » decrease in (Expand search), decreased high (Expand search), decrease with (Expand search)
decrease pro » decrease or (Expand search), decrease food (Expand search), decrease treg (Expand search)
pro decrease » to decrease (Expand search), or decrease (Expand search), price 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 their decrease hiv processing ) OR ( decrease pro decrease lesions decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease their decrease hiv processing ) OR ( decrease pro decrease lesions decrease ))*.