PMC:1892049 / 6578-6589 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T14513","span":{"begin":0,"end":2},"obj":"NN"},{"id":"T14514","span":{"begin":2,"end":3},"obj":"."},{"id":"T14516","span":{"begin":4,"end":6},"obj":"IN"}],"text":"μm. As prev"}