RT Journal Article SR Electronic T1 ICU mobility and improved outcomes: still searching for the Holy Grail JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 640 OP 641 DO 10.1136/thoraxjnl-2021-217009 VO 76 IS 7 A1 Stutz, Matthew R A1 Kress, John P A1 Wolfe, Krysta S YR 2021 UL http://thorax.bmj.com/content/76/7/640.abstract AB