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Masks

Devices that cover the nose and mouth to maintain aseptic conditions often for the prevention of the spread of infections (e.g. COVID19) or to administer inhaled anesthetics or other gases.

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Subheadings:

Tree Number(s): E07.325.877.500, E07.700.500, E07.700.560.782, E07.858.594.750, J01.637.708.560.782

MeSH Unique ID: D008397

Entry Terms:

  • Mask

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