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Symptom Criteria for COVID-19 Testing of Heath Care Workers.
Clemency BM, Varughese R, Scheafer DK, Ludwig B, Welch JV, McCormack RF, Ma C, Nan N, Giambra T, Raab T. Clemency BM, et al. Among authors: welch jv. Acad Emerg Med. 2020 Jun;27(6):469-474. doi: 10.1111/acem.14009. Epub 2020 Jun 8. Acad Emerg Med. 2020. PMID: 32396670 Free PMC article.