_:b57685044	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5a211222f121489081dea86434794bbee9860ecc/1> .
_:b57685045	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57685044	<http://www.w3.org/ns/oa#hasSelector>	_:b57685045 .
_:b57685045	<http://www.w3.org/ns/oa#exact>	"Postoperative" .