TY - JOUR T1 - Topical tretinoin no panacea for photodamaged skin JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 88 LP - 89 VL - 60 IS - 1 AU - James J. Leyden Y1 - 1993/01/01 UR - http://www.ccjm.org/content/60/1/88.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -