PubMed:32247318 / 0-12 JSONTXT

{"project":"LitCovid-TimeML","denotations":[{"id":"tok1","span":{"begin":0,"end":1},"obj":"DT"},{"id":"tok2","span":{"begin":2,"end":6},"obj":"NN"},{"id":"tok3","span":{"begin":7,"end":10},"obj":"IN"}],"text":"A Call for R"}