PMC:7276972 / 4516-4563
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T43","span":{"begin":0,"end":47},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The protocol version 1 was approved 29/04/2020."}