PropertyValue
?:creator
?:journal
  • Endoscopy
?:license
  • unk
?:publication_isRelatedTo_Disease
?:source
  • WHO
?:title
  • Double-surgical-mask-with-slit and COVID-19 prevention
?:type
?:who_covidence_id
  • #917549
?:year
  • 2021

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