PMC:7784787 / 6150-6250 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7784787","sourcedb":"PMC","sourceid":"7784787","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7784787","text":"irway management trainer) lying face upward on an optical bench. Prior to measurement, the airway wa","tracks":[]}