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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

1 passage

abstractpubmed· Abstract· item 34398222

Mask-Wearing Behavior at the 2021 NCAA Men's Basketball Tournament. This cross-sectional study examines the mask-wearing behavior of attendees at the 2021 NCAA men’s basketball tournament in an attempt to help other venues prepare for future events during the pandemic.