Gaál, M.; Otrosinka, S.; Baltás, E.; Ócsai, H.; Oláh, J.; Kemény, L.; Gyulai, R. Photodynamic Therapy of Non-Melanoma Skin Cancer With Methyl Aminolaevulinate Is Associated With Less Pain Than With Aminolaevulinic Acid. Acta Derm Venereol 2011, 92, 173-175.