PMC:7152526 / 15050-15054
Annnotations
2_test
{"project":"2_test","denotations":[{"id":"32281317-16043521-61647296","span":{"begin":0,"end":2},"obj":"16043521"},{"id":"32281317-14767818-61647297","span":{"begin":0,"end":4},"obj":"14767818"}],"text":"1819"}