PMC:7781500 / 7823-7979 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7781500","sourcedb":"PMC","sourceid":"7781500","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7781500","text":"2 ± 11.3 (SD). Most of them (37.9%) belonged to upper-lower socioeconomic status, followed by lower (20.8%), upper (14.5%), lower-middle (14.2%), and upper-","tracks":[]}