PMC:7589163 / 86093-86137 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7589163","sourcedb":"PMC","sourceid":"7589163","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7589163","text":"400–600 IU/day from birth to 6 months of age","tracks":[]}