title: Topical retinoic acid (tretinoin) for photoaging: conceptions and misperceptions.
authors.affiliation: Department of Dermatology, University of Pennsylvania School of Medicine, Philadelphia 19104, USA.
authors.forename: A M
authors.initials: AM
authors.lastname: Kligman
mesh_terms: D000287:Administration, Topical; D006801:Humans; D007641:Keratolytic Agents / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D011379:Prognosis; D015595:Skin Aging / Q000187:drug effects*; D014212:Tretinoin / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D007641:Keratolytic Agents; D014212:Tretinoin