PMC:7210464 / 32622-32662
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T270","span":{"begin":0,"end":40},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Number of cities 288 288 288 288 288 288"}