_:b57877620	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6d5c9139359f0be11be696bec88268a4f1cf7131/1> .
_:b57877621	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57877620	<http://www.w3.org/ns/oa#hasSelector>	_:b57877621 .
_:b57877621	<http://www.w3.org/ns/oa#exact>	"weight loss" .