Thieme E-Books & E-Journals -
Endoscopy 2021; 53(01): 96
DOI: 10.1055/a-1293-8107
COVID-19 communication

Double-surgical-mask-with-slit and COVID-19 prevention

Authors

  • Sora Yasri

    1   Private academic practice, Bangkok Thailand
  • Viroj Wiwanitkit

    2   Dr DY Patil University, Pune, India