PMC:7796344 / 743-802 JSONTXT

{"target":"http://pubannotation.org/docs/sourcedb/PMC/sourceid/7796344","sourcedb":"PMC","sourceid":"7796344","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7796344","text":"dul Aziz International airport, Jeddah city. The questionna","tracks":[]}