Assertion: chloroquine | /r/ObjectUse | used for decade
Facets:
value: as a treatment for malaria
type: PURPOSE
Source sentences:
text: Chloroquine and hydroxychloroquine have been used for decades as a treatment for malaria , and are generally well-tolerated; but one major complication is the risk of a serious heart rhythm problem called "QT prolongation," the Brazlian authors said.