APA

Lopatkin N., Sivkov A., Schläfke S., Funk P., Medvedev A. & Engelmann U. (20080325). Efficacy and safety of a combination of Sabal and Urtica extract in lower urinary tract symptoms--long-term follow-up of a placebo-controlled, double-blind, multicenter trial. : International urology and nephrology.

Chicago

Lopatkin Nikolai, Sivkov Andrey, Schläfke Sandra, Funk Petra, Medvedev Alexander and Engelmann Udo. 20080325. Efficacy and safety of a combination of Sabal and Urtica extract in lower urinary tract symptoms--long-term follow-up of a placebo-controlled, double-blind, multicenter trial. : International urology and nephrology.

Harvard

Lopatkin N., Sivkov A., Schläfke S., Funk P., Medvedev A. and Engelmann U. (20080325). Efficacy and safety of a combination of Sabal and Urtica extract in lower urinary tract symptoms--long-term follow-up of a placebo-controlled, double-blind, multicenter trial. : International urology and nephrology.

MLA

Lopatkin Nikolai, Sivkov Andrey, Schläfke Sandra, Funk Petra, Medvedev Alexander and Engelmann Udo. Efficacy and safety of a combination of Sabal and Urtica extract in lower urinary tract symptoms--long-term follow-up of a placebo-controlled, double-blind, multicenter trial. : International urology and nephrology. 20080325.