RT Journal Article SR Electronic T1 Lower-extremity arterial disease: tips on diagnosis and therapy JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 14 OP 15 VO 60 IS 1 A1 Jeffrey W. Olin YR 1993 UL http://www.ccjm.org/content/60/1/14.abstract AB