PMC:7463108 / 53319-53331
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T741","span":{"begin":0,"end":12},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"2017, 2019)."}
2_test
{"project":"2_test","denotations":[{"id":"32876803-28166799-62958105","span":{"begin":0,"end":4},"obj":"28166799"},{"id":"32876803-31887215-62958106","span":{"begin":6,"end":10},"obj":"31887215"}],"text":"2017, 2019)."}