RT Journal Article SR Electronic T1 Demonstration of a bronchopleural fistula by ventilation lung scanning JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 67 OP 70 VO 46 IS 2 A1 Yarnal, James R. A1 Ahmad, Muzaffar A1 Peppo, William YR 1979 UL http://www.ccjm.org/content/46/2/67.abstract AB