_:b57164633	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57164632	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6e1ab89aba501ca1d150301b28c293adeff06e8b/6> .
_:b57164633	<http://www.w3.org/ns/oa#exact>	"staining" .
_:b57164632	<http://www.w3.org/ns/oa#hasSelector>	_:b57164633 .