title: Two cases of actinic cheilitis responsive to daylight-activated photodynamic therapy (DA-PDT).
authors.forename: Assi
authors.initials: A
authors.lastname: Levi
authors.forename: Hans C
authors.initials: HC
authors.lastname: Wulf
authors.forename: Claes D
authors.initials: CD
authors.lastname: Enk
mesh_terms: D000328:Adult; D002613:Cheilitis / Q000473:pathology / Q000532:radiotherapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010778:Photochemotherapy; D010787:Photosensitivity Disorders / Q000473:pathology / Q000532:radiotherapy*