PMC:7543426 / 108-173
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T3","span":{"begin":21,"end":29},"obj":"Sentence"},{"id":"T4","span":{"begin":30,"end":38},"obj":"Sentence"},{"id":"T5","span":{"begin":40,"end":50},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"thout Comorbidities\n\nAbstract\nAbstract\n\nBackground\nDescriptions o"}