TY - JOUR T1 - Post-exertion oxygen saturation as a prognostic factor for adverse outcome in patients attending the emergency department with suspected COVID-19: Observational cohort study UR - http://dx.doi.org/10.1101/2020.08.10.20171033 PY - 2020/08/11 AU - Goodacre S ED - DO - DOI: 10.1101/2020.08.10.20171033 Y2 - 2025/05/23 ER -