RT Journal Article SR Electronic T1 A 70-year-old farmer with a skin lesion JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 814 OP 814 VO 67 IS 11 A2 Williams, Marc A1 Callahan, Elizabeth F. A1 Tomecki, Kenneth J. YR 2000 UL http://www.ccjm.org/content/67/11/814.abstract AB