PMC:1570349 / 20149-20166 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/1570349","sourcedb":"PMC","sourceid":"1570349","source_url":"https://www.ncbi.nlm.nih.gov/pmc/1570349","text":"0.1 ≤ β2, β4 ≤ 4.","tracks":[]}