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 James R. Yarnal A1 Muzaffar Ahmad A1 William Peppo YR 1979 UL http://www.ccjm.org/content/46/2/67.abstract AB