Perhaps you should try some spelling variations:
vegetation patterns » migration patterns (Expand search), interaction patterns (Expand search), methylation patterns (Expand search)
decrease vegetation » increased vegetation (Expand search), decrease migration (Expand search), dense vegetation (Expand search)
decrease treg » decrease the (Expand search), decrease their (Expand search)
treg decrease » the decrease (Expand search), urea decrease (Expand search), drugs decrease (Expand search)
decrease life » decrease liver (Expand search), increase life (Expand search), decreases liver (Expand search)
life decrease » life decreases (Expand search), life decreased (Expand search), life increase (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease treg decrease to decrease ) OR ( decrease life decrease vegetation patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease treg decrease to decrease ) OR ( decrease life decrease vegetation patterns ))*.