<http://ns.inria.fr/covid19/PMC7310664#body_text>	<http://purl.org/dc/terms/subject>	"Companies based in Waltham, Massachusetts" .
<http://ns.inria.fr/covid19/PMC7310664#body_text>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://ns.inria.fr/covid19/DocumentBody> .
<http://ns.inria.fr/covid19/PMC7310664#body_text>	<http://purl.org/dc/terms/subject>	"Statistical process control" .
<http://ns.inria.fr/covid19/PMC7310664#body_text>	<http://purl.org/dc/terms/subject>	"Europe" .
<http://ns.inria.fr/covid19/PMC7310664#body_text>	<http://purl.org/vocab/frbr/core#partOf>	<http://ns.inria.fr/covid19/PMC7310664> .