PMC:7115396 / 6052-6173 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T80","span":{"begin":5,"end":7},"obj":"http://purl.obolibrary.org/obo/CLO_0050509"},{"id":"T81","span":{"begin":32,"end":33},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T82","span":{"begin":72,"end":73},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"rus [27]. Furthermore, it takes a substantial amount of time to prepare a extensively passaged attenuated vaccine strain,"}

{"project":"2_test","denotations":[{"id":"32057575-22798607-143294051","span":{"begin":5,"end":7},"obj":"22798607"}],"text":"rus [27]. Furthermore, it takes a substantial amount of time to prepare a extensively passaged attenuated vaccine strain,"}