Topical methyl aminolevulinate photodynamic therapy using red light-emitting diode light for multiple actinic keratoses: A randomized study

Rolf Markus Szeimies^*, Robert T. Matheson, Steven A. Davis, Ashish C. Bhatia, Yvonne Frambach, Winfried Klövekorn, Heike Fesq, Carola Berking, Julia Reifenberger, Diamant Thaçi

^*Corresponding author for this work