Shafique, Irsa, et al. “In Vitro Qualitative Phytochemical Screening, Tlc-Bioautography and Spot Screening of Bistorta Amplexicaulis (D.DON) Greene Extracts”. Bangladesh Journal of Botany, vol. 50, no. 3, Sept. 2021, pp. 613-22, doi:10.3329/bjb.v50i3.55841.