Randomized, double-blind placebo-controlled trial with Bryophyllum pinnatum versus placebo for the treatment of overactive bladder in postmenopausal women - Betschart, C; von Mandach, U; Seifert, B; Scheiner, D; Perucchini, D; Fink, D; Geissbuhler, V (Phytomedicine, 2013)