PMC:6988269 / 61-77
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":8,"end":16},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"RT-PCR\n\nAbstract"}