_:b57050952	<http://www.w3.org/ns/oa#hasSelector>	_:b57050953 .
_:b57050952	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6d03daa9b45b03f7652a106d56443f745f672f52/0> .
_:b57050953	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57050953	<http://www.w3.org/ns/oa#exact>	"oxygen therapy" .