Assertion: ace inhibitor | /r/HasAspect | role
Facets:
Source sentences:
text: Even when the doses of captopril that were used in the 1980s started to come down, some patients experienced a first-dose hypotension and, when it became clear that ACE inhibitors had a role to play in heart failure, the need to resolve the issue of dosing and hypotension took on a new urgency.