RT Journal Article SR Electronic T1 Effect of COVID-19 on aeromedical primary evacuation retrieval volumes and patient acuity JF BMJ Military Health JO BMJ Mil Health FD British Medical Journal Publishing Group SP e002370 DO 10.1136/military-2023-002370 A1 Fergus William Gardiner A1 Zoe Schofield YR 2023 UL http://militaryhealth.bmj.com/content/early/2023/03/07/military-2023-002370.abstract AB