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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 33939482

Saliva and nasopharyngeal samples have similar sensitivity for detecting SARS-CoV-2. Bastos ML, Perlman-Arrow S, Menzies D, Campbell JR. The sensitivity and costs of testing for SARS-CoV-2 infection with saliva versus nasopharyngeal swabs: a systematic review and meta-analysis. Ann Intern Med. 2021;174:501-10. 33428446.