Kai Uwe Köhrmann

High intensity focused ultrasound as noninvasive therapy for multilocal renal cell carcinoma: case study and review of the literature.

Peter Alken, Maurice Stephan Michel, P. Alken, 2002, The Journal of urology.

Extracorporeal application of high‐intensity focused ultrasound for prostatic tissue ablation

Peter Alken, Maurice Stephan Michel, P. Alken, 2005, BJU international.