PubMed:32736597 / 7425-7459
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T57","span":{"begin":0,"end":34},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The study started on 9th May 2020."}