PubMed:33225970 / 3635-3777 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T43","span":{"begin":0,"end":142},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This is to state that it was a late submission from authors for publication of the protocol to the BMC, after enrolment in the study was over."}