PubMed:32227494 / 0-38 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok1","span":{"begin":0,"end":7},"obj":"NN"},{"id":"tok2","span":{"begin":8,"end":14},"obj":"MD"},{"id":"tok3","span":{"begin":15,"end":17},"obj":"VB"},{"id":"tok4","span":{"begin":18,"end":27},"obj":"VBN"},{"id":"tok5","span":{"begin":28,"end":31},"obj":"IN"},{"id":"tok6","span":{"begin":32,"end":35},"obj":"DT"},{"id":"lookup1","span":{"begin":15,"end":17},"obj":"country_code"},{"id":"event5","span":{"begin":18,"end":27},"obj":"OCCURRENCE"}],"text":"Caution should be exercised for the de"}