RT Journal Article SR Electronic T1 A 20-year-old woman with fatigue and palpitations JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 283 OP 288 DO 10.3949/ccjm.81a.13129 VO 81 IS 5 A1 Ho, Cynthia H. A1 Lewis, Keith E. A1 Johnson, Jeffrey L. A1 Opas, Lawrence M. YR 2014 UL http://www.ccjm.org/content/81/5/283.abstract AB