PMC:7103724 / 6778-6890 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7103724","sourcedb":"PMC","sourceid":"7103724","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7103724","text":"n accordance with the Declaration of Helsinki. Informed consent was waived because of the retrospective nature o","tracks":[]}