PMC:7386785 / 26144-26343 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T33208","span":{"begin":49,"end":53},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"Although RT‐PCR is considered the best available test, due to rapidly evolving knowledge about the target conditions, multiple reference standards on their own as well as in combination have emerged."}

{"project":"LitCovid-sentences","denotations":[{"id":"T291","span":{"begin":0,"end":199},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Although RT‐PCR is considered the best available test, due to rapidly evolving knowledge about the target conditions, multiple reference standards on their own as well as in combination have emerged."}