PMC:7796344 / 18803-18953
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7796344","sourcedb":"PMC","sourceid":"7796344","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7796344","text":"o vaccination is administered to pilgrims by Saudi Arabian MOH at the entry ports to promote the aim of world eradication of polio [7]. Perhaps there ","tracks":[]}