Niacin Skin Sensitivity Is Increased in Adolescents at Ultra-High Risk for Psychosis. oleh Gregor E Berger, Stefan Smesny, Miriam R Schäfer, Berko Milleit, Kerstin Langbein, Uta-Christina Hipler, Christine Milleit, Claudia M Klier, Monika Schlögelhofer, Magdalena Holub, Ingrid Holzer, Michael Berk, Patrick D McGorry, Heinrich Sauer, G Paul Amminger