PMC:7143804 / 47755-47842 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T331","span":{"begin":20,"end":23},"obj":"http://purl.obolibrary.org/obo/CLO_0051582"}],"text":"The third step that has to be optimized in the sample collection and work-up procedure."}

{"project":"LitCovid-sentences","denotations":[{"id":"T372","span":{"begin":0,"end":87},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The third step that has to be optimized in the sample collection and work-up procedure."}