PMC:7796058 / 33405-33430
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T221","span":{"begin":0,"end":25},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Risk from People Density:"}