_:b56553860	<http://www.w3.org/ns/oa#hasSelector>	_:b56553861 .
_:b56553861	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56553861	<http://www.w3.org/ns/oa#exact>	"transforming growth factor" .
_:b56553860	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b1633e707c76d44b4d51c85021a0dddb3cbfdd2f/2> .