TY - JOUR T1 - Skin lesions: when to suspect systemic causes JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 104 LP - 104 VL - 60 IS - 2 AU - Thomas N. Helm Y1 - 1993/03/01 UR - http://www.ccjm.org/content/60/2/104.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -