PMC:7210464 / 63428-63446
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T572","span":{"begin":0,"end":18},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"2020-02-19 238 122"}