_:b56496137 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56496136 <http://www.w3.org/ns/oa#hasSelector> _:b56496137 . _:b56496136 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/9eb901301f9bce7313b359bd2a72c46034352d47/1> . _:b56496137 <http://www.w3.org/ns/oa#exact> "membrane" .