RT Journal Article SR Electronic T1 Chronic upper airway obstruction JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 9 OP 15 VO 47 IS 1 A1 Golish, Joseph A. A1 Ahmad, Muzaffar A1 Yarnal, James R. YR 1980 UL http://www.ccjm.org/content/47/1/9.abstract AB