TY - GEN AU - Kligman,A M TI - Tretinoin (Retin-A) therapy of photoaged skin SN - 0098-8243 PY - 1992///1203 KW - Administration, Topical KW - Humans KW - Skin Aging KW - drug effects KW - Sunscreening Agents KW - therapeutic use KW - Tretinoin KW - administration & dosage N1 - Publication Type: Journal Article; Review ER -