PMC:7534795 / 40642-40682 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7534795","sourcedb":"PMC","sourceid":"7534795","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7534795","text":"Primary outcome of ventilation-free days","tracks":[]}