PMC:7143804 / 6628-6700 JSONTXT

{"project":"2_test","denotations":[{"id":"32106462-21479543-69893288","span":{"begin":43,"end":45},"obj":"21479543"},{"id":"32106462-23610705-69893289","span":{"begin":46,"end":48},"obj":"23610705"},{"id":"32106462-21267083-69893290","span":{"begin":49,"end":51},"obj":"21267083"},{"id":"32106462-22038328-69893291","span":{"begin":52,"end":54},"obj":"22038328"}],"text":"couple as feedback-loop to the controller [22,23,24,25].\nThere are vario"}