PMC:7784787 / 6215-6411 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T51","span":{"begin":0,"end":196},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Prior to measurement, the airway was primed with aerosol by turning on the nebulizer briefly while squeezing the attached lung ten-times, then waiting for 30 s for the exhaled aerosol to disperse."}