PMC:7444865 / 638-783
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7444865","sourcedb":"PMC","sourceid":"7444865","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7444865","text":"indings were used to develop and refine measures of conditions salient to the health of urban residents across the country. Quota sampling was em","tracks":[]}