PMC:6730630 / 22518-22618 JSONTXT

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{"target":"http://pubannotation.org/docs/sourcedb/PMC/sourceid/6730630","sourcedb":"PMC","sourceid":"6730630","source_url":"https://www.ncbi.nlm.nih.gov/pmc/6730630","text":"†Baseline data not available for site four due to original hospital site closing during time period.","tracks":[]}