Inhibition of porcine detrusor contractility by a flavonoid fraction of Bryophyllum pinnatum, a potential treatment for overactive bladder syndrome - Fürer, K; Eberli, D; Betschart, C; Brenneisen, R; De Mieri, M; Hamburger, M; Mennet-von Eiff, M; Potterat, O; Schnelle, M; Simoes-Wüst, AP; Mandach, U von (Planta Medica, 2014)