_:b57780373	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57780372	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2e81305e7f5f641662edb3ffea9fde1ee3a317a6/0> .
_:b57780372	<http://www.w3.org/ns/oa#hasSelector>	_:b57780373 .
_:b57780373	<http://www.w3.org/ns/oa#exact>	"platelet activating factor" .