RT Journal Article SR Electronic T1 ‘Assisted self-proning’ in a case of severe COVID-19 pneumonitis JF BMJ Military Health JO BMJ Mil Health FD British Medical Journal Publishing Group SP 229 OP 230 DO 10.1136/bmjmilitary-2021-001826 VO 168 IS 3 A1 William Pitts A1 S Cais A1 E Simon A1 D Hunt YR 2022 UL http://militaryhealth.bmj.com/content/168/3/229.abstract AB