RT Journal Article SR Electronic T1 ‘Air-raising’: An air-fluid level in the right subphrenic region JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 638 OP 640 DO 10.3949/ccjm.83a.15162 VO 83 IS 9 A1 Gupta, Anupam A1 Epelbaum, Oleg YR 2016 UL http://www.ccjm.org/content/83/9/638.abstract AB