PMC:7755033 / 31699-31711
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T279","span":{"begin":6,"end":8},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" 3 0\n2. Wi"}