_:b56538169	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56538168	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f5e971f5c6854bcf76a7963effbbd79e62becab0/0> .
_:b56538168	<http://www.w3.org/ns/oa#hasSelector>	_:b56538169 .
_:b56538169	<http://www.w3.org/ns/oa#exact>	"IgM" .