A bufadienolide-enriched fraction of Bryophyllum pinnatum inhibits human myometrial contractility in vitro - Santos, S; Haslinger, C; Klaic, K; Faleschini, M T; Mennet, M; Potterat, O; von Mandach, U; Hamburger, M; Simões-Wüst, A P (Planta Med, 2019)