RT Journal Article SR Electronic T1 A pregnant woman with shortness of breath JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 19 OP 22 VO 61 IS 1 A2 Longworth, David L. A1 Stoller, James K. A1 Roberts, Janis A. A1 Arnold, Anita M. YR 1994 UL http://www.ccjm.org/content/61/1/19.abstract AB