Assertion: nitroglycerin | /r/ObjectUse | used for over 130 years
Facets:
value: in medicine
type: LOCATION
value: as a potent vasodilator
type: PURPOSE
Source sentences:
text: Nitroglycerin has been used for over 130 years in medicine as a potent vasodilator (dilation of the vascular system) to treat heart conditions, such as angina pectoris and chronic heart failure.