RT Journal Article SR Electronic T1 Gas under the right diaphragm JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 98 OP 100 DO 10.3949/ccjm.85a.16139 VO 85 IS 2 A1 Hiroki Matsuura A1 Hidenori Hata YR 2018 UL http://www.ccjm.org/content/85/2/98.abstract AB