Salem J, Paffenholz P, Bolenz C, vonBrandenstein M, Cebulla A, Haferkamp A, Kuru T, Lee CT, Pfister D, Tsaur I, Borgmann H, Heidenreich A. 
2019 
Websites on Bladder Cancer: an Appropriate Source of Patient Information? 
Journal of Cancer Education  
34(2):381-387