_:b56389301	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56389300	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b57ebafea27b01bad7138b7213509ea9145d689f/0> .
_:b56389300	<http://www.w3.org/ns/oa#hasSelector>	_:b56389301 .
_:b56389301	<http://www.w3.org/ns/oa#exact>	"heparin" .