CORD-19:3c1f47a07aaf0e393dee9fbd08596a4b9f4f0a03 / 14632-14663 JSONTXT

{"project":"CORD-PICO","denotations":[{"id":"p1_all68","span":{"begin":0,"end":31},"obj":"Outcome"}],"text":"lower detection limit of 25 CFU"}