PMC:7103696 / 98-110
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T5","span":{"begin":4,"end":12},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"l.\n\nAbstract"}