Ali, M. Z., K. H. Janbaz, M. H. Mehmood, and A. H. Gilani. “Antidiarrheal and Antispasmodic Activities of Polygonum Bistorta Rhizomes Are Mediated Predominantly through K+ Channels Activation”. Bangladesh Journal of Pharmacology, vol. 10, no. 3, July 2015, pp. 627-34, doi:10.3329/bjp.v10i3.23714.