Kleinpenning, Marloes M The clinical efficacy of topical methyl-aminolevulinate photodynamic therapy in moderate to severe actinic keratoses of the face and scalp. [electronic resource] - The Journal of dermatological treatment Jul 2010 - 252-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1471-1753 Standard No.: 10.3109/09546630903271555 doi Subjects--Topical Terms: Administration, TopicalAgedAged, 80 and overAminolevulinic Acid--administration & dosageAnalysis of VarianceCarcinoma, Squamous Cell--pathologyCohort StudiesFacial Dermatoses--drug therapyFemaleFollow-Up StudiesHumansKeratosis, Actinic--drug therapyMaleMiddle AgedPain MeasurementPatient CompliancePhotochemotherapy--adverse effectsPrecancerous Conditions--pathologyProbabilityRisk AssessmentScalp Dermatoses--drug therapySeverity of Illness IndexSkin Neoplasms--pathologyTreatment FailureTreatment Outcome