TY - JOUR T1 - External validation of triage tools for adults with suspected COVID-19 in a middle-income setting: an observational cohort study JO - Emergency Medicine Journal UR - http://dx.doi.org/10.1136/emermed-2022-212827 PY - 2023/05/22 AU - Marincowitz C AU - Sbaffi L AU - Hasan M AU - Hodkinson P AU - McAlpine D AU - Fuller G AU - Goodacre S AU - Bath PA AU - Omer Y AU - Wallis LA ED - DO - DOI: 10.1136/emermed-2022-212827 PB - BMJ Y2 - 2025/04/13 ER -