RT Journal Article SR Electronic T1 New Technology in Pulmonary Disease JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 445 OP 445 VO 52 IS 4 A1 Muzaffar Ahmad A1 Herbert P. Wiedemann YR 1985 UL http://www.ccjm.org/content/52/4/445.abstract AB