Assertion: quinine | /r/HasProperty | substance
Facets:
Source sentences:
text: It was found in the 17th century that this dangerous disease can be prevented and cured with quinine, a substance obtained from the bark of a tree called Cinchona.
text: As of 2006, quinine is no longer recommended by the World Health Organization (WHO) as a first-line treatment for malaria, because there are other substances that are equally effective with fewer side effects.