_:b57278885	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57278884	<http://www.w3.org/ns/oa#hasSelector>	_:b57278885 .
_:b57278884	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5391ac7b7fd3626d5b3eba5a94b8ee869f4ea181/2> .
_:b57278885	<http://www.w3.org/ns/oa#exact>	"preoperative" .