RT Journal Article SR Electronic T1 Challenges in the management of aortic stenosis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 483 OP 486 DO 10.3949/ccjm.79a.12059 VO 79 IS 7 A1 Krishnaswamy, Amar A1 Griffin, Brian P. YR 2012 UL http://www.ccjm.org/content/79/7/483.abstract AB