_:b57128169	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57128168	<http://www.w3.org/ns/oa#hasSelector>	_:b57128169 .
_:b57128168	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d9535af8a8c374ff341667d01acc39c6edb25bd0/0> .
_:b57128169	<http://www.w3.org/ns/oa#exact>	"haemoglobin levels" .