Phytomedicine. 2003 ; 10 Suppl 4(): 53-5.

Long-term efficacy and safety of PRO 160/120 (a combination of sabal and urtica extract) in patients with lower urinary tract symptoms (LUTS).

Bondarenko B, Walther C, Funk P, Schläfke S, Engelmann U.

Department of Urology, University Hospital of Cologne, Cologne, Germany. bbondarenko@gmx.de