TY - JOUR T1 - Silent hypoxia in COVID-19: easy to recognise but hard to define JO - Emergency Medicine Journal UR - http://dx.doi.org/10.1136/emermed-2023-213579 PY - 2023/09/29 AU - Trimble A AU - Goodacre S ED - DO - DOI: 10.1136/emermed-2023-213579 PB - BMJ Y2 - 2024/10/19 ER -