PMC:7796329 / 32627-32654
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T273","span":{"begin":0,"end":27},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Hart and Graether ([29], p."}