PHOTODERMATOLOGY PHOTOIMMUNOLOGY & PHOTOMEDICINE, cilt.25, sa.5, ss.237-241, 2009 (SCI-Expanded)
Background: A combination of oral psoralen with narrowband ultraviolet B (UVB), defined as 'psoralen-narrowband UVB', was shown to have a superior efficacy than UVB alone and even a comparable efficacy to psoralen and ultraviolet A in psoriasis.