Perhaps you should try some spelling variations:
ligand increased » ligands increased (Expand search), and increased (Expand search), line increased (Expand search)
pulse processing » pulp processing (Expand search), pre processing (Expand search), juice processing (Expand search)
decrease ligand » decrease and (Expand search), decrease lipid (Expand search), decrease lodging (Expand search)
increased pulse » increased plasma (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (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 ligand increased pulse processing ) OR ( decrease rate decrease in decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease ligand increased pulse processing ) OR ( decrease rate decrease in decrease ))*.