PMC:6640909 / 34053-34095 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/6640909","sourcedb":"PMC","sourceid":"6640909","source_url":"https://www.ncbi.nlm.nih.gov/pmc/6640909","text":"Use of a SynCardia total artificial heart\n","tracks":[]}