PubMed:33012859 / 498-633 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T6","span":{"begin":0,"end":135},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"With the routine high-throughput approach, heterogeneous sample pools are formed randomly for polymerase chain reaction (PCR) analysis."}