Assertion: drug chloroquine | /r/AtLocation | investigation
Facets:
Source sentences:
text: Hydroxychloroquine (Plaquenil) and its sister drug chloroquine (Aralen) are under investigation for treatment of the COVID-19 coronavirus disease
text: Hydroxychloroquine and its sister drug chloroquine (Aralen) are under investigation for treatment of the COVID-19 coronavirus disease but their effectiveness is currently unproven.