RT Journal Article SR Electronic T1 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 Cormier, Yvon A1 Laviolette, Michel A1 Tardif, André YR 1984 UL http://www.ccjm.org/content/51/2/481.1.abstract AB