_:b57638245 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57638244 <http://www.w3.org/ns/oa#hasSelector> _:b57638245 . _:b57638245 <http://www.w3.org/ns/oa#exact> "performance status" . _:b57638244 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/8e359a65849e36b10841786ba681720de5650f6d/18> .