PMC:7784829 / 26694-26730 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7784829","sourcedb":"PMC","sourceid":"7784829","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7784829","text":" region (S1) of the S protein is imp","tracks":[]}