PMC:7295558 / 2847-2888 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7295558","sourcedb":"PMC","sourceid":"7295558","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7295558","text":"t ventricular ejection fraction (LVEF) or","tracks":[]}