PubMed:32212512 / 269-278
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok42","span":{"begin":3,"end":6},"obj":"CC"},{"id":"tok43","span":{"begin":7,"end":9},"obj":"TO"},{"id":"lookup2","span":{"begin":7,"end":9},"obj":"country_code"}],"text":"es and to"}