Evaluation of Efficacy and Safety of BF-200 ALA Used With Photodynamic Therapy in Patients With Actinic Keratosis.

topical treatment for photodynamic therapy combining vehicle application and subsequent illumination with broad or narrow spectrum light sources (after 3 h of drug incubation).

topical treatment for photodynamic therapy combining drug application and subsequent illumination with broad or narrow spectrum light sources (after 3 h of drug incubation).