RT Journal Article SR Electronic T1 Current Therapy of Respiratory Disease—2 ed by Reuben M. Cherniak JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 63 OP 63 VO 54 IS 1 A1 Herbert P. Wiedemann YR 1987 UL http://www.ccjm.org/content/54/1/63.1.abstract AB