Perhaps you should try some spelling variations:
increases pulmonary » increased pulmonary (Expand search), decreases pulmonary (Expand search)
pulmonary objects » pulmonary effects (Expand search), pulmonary spect (Expand search), primary objects (Expand search)
decrease pain » decreases pain (Expand search), decrease in (Expand search), decreased brain (Expand search)
pain decrease » can decrease (Expand search), taping decrease (Expand search), strain decrease (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease pain decrease to decrease ) OR ( decrease AND increases pulmonary objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease pain decrease to decrease ) OR ( decrease and increases pulmonary objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease pain decrease to decrease ) OR ( decrease and increases pulmonary objects ))*.