Detection and clinical outcome of urinary bladder cancer with 5-aminolevulinic acid-induced fluorescence cystoscopy: a multicenter randomized, double-blind, placebo-controlled tria... oleh A Stenzl, H Penkoff, E Dajc-Sommerer, A Zumbraegel, L Hoeltl, M Scholz, C Riedl, J Bugelnig, A Hobisch, M Burger, G Mikuz, U Pichlmeier