PMC:7253482 / 6119-6198 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T925","span":{"begin":2,"end":4},"obj":"TO"},{"id":"T926","span":{"begin":5,"end":16},"obj":"JJ"},{"id":"T927","span":{"begin":17,"end":28},"obj":"NN"},{"id":"T928","span":{"begin":29,"end":61},"obj":"NN"},{"id":"T929","span":{"begin":62,"end":68},"obj":"NN"}],"text":"d to hydrophilic interaction chromatography-ultra-performance liquid chromatogr"}