PMC:7784824 / 197-240
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":0,"end":11},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Background: Molecular detection of SARS-CoV"}