RT Journal Article SR Electronic T1 Prosthetic heart valves (January 2002) JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 448 OP 448 VO 69 IS 6 A1 Hsi, David H. A1 Ryan, Gerald F. YR 2002 UL http://www.ccjm.org/content/69/6/448.abstract AB