title: Follow-up analysis of the efficacy of photodynamic therapy in actinic keratosis: reply from the authors.
authors.affiliation: Private Dermatological Practice Centre, Wuppertal, Germany; Faculty of Health, University Witten-Herdecke, Witten, Germany. drdirschka@aol.com.
authors.forename: T
authors.initials: T
authors.lastname: Dirschka
mesh_terms: D000622:Aminolevulinic Acid / Q000031:analogs & derivatives*; D005260:Female; D006801:Humans; D055623:Keratosis, Actinic / Q000188:drug therapy*; D008297:Male; D010778:Photochemotherapy / Q000379:methods*; D017319:Photosensitizing Agents / Q000008:administration & dosage*
chemical_list: D017319:Photosensitizing Agents; D000622:Aminolevulinic Acid