RT Journal Article SR Electronic T1 Pulmonary Embolism: Improving the Odds JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 298 OP 299 VO 58 IS 4 A2 Wilke, William S. A1 Ahmad, Muzaffar YR 1991 UL http://www.ccjm.org/content/58/4/298.abstract AB