RT Journal Article SR Electronic T1 In Reply: Nitrogen washout therapy for pneumothorax JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 481 OP 481 VO 51 IS 2 A1 Orlowski, James P. YR 1984 UL http://www.ccjm.org/content/51/2/481.2.abstract AB