RT Journal Article SR Electronic T1 Pulmonary Hypertension Secondary to Fibrosing Mediastinitis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 475 OP 475 VO 58 IS 6 A1 Ahmad, Saeed YR 1991 UL http://www.ccjm.org/content/58/6/475.1.abstract AB