PMC:7594251 / 1029-1149 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T34822","span":{"begin":55,"end":56},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T15929","span":{"begin":107,"end":108},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" of 10 years to develop and costs on average more than a billion US dollars. This demonstrates the need of a complete re"}