PMC:7210464 / 52836-53010 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T477","span":{"begin":0,"end":174},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In the early phase of the epidemic (January 19 to February 1), cities with more medical resources, which are measured by the number of doctors, have lower transmission rates."}