Perhaps you should try some spelling variations:
decrease pulmonary » decreases pulmonary (Expand search), increased pulmonary (Expand search), increases pulmonary (Expand search)
pulmonary abscess » pulmonary abscesses (Expand search), pulmonary agenesis (Expand search), pulmonary vessels (Expand search)
decrease will » decrease with (Expand search), decrease cell (Expand search), decrease il (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (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 will decrease pulmonary abscess ) OR ( decrease of decrease in decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease will decrease pulmonary abscess ) OR ( decrease of decrease in decrease ))*.