Nikam KD, Kendre N, Bhise V, Wakte P. Optimization of Ultrasound-Assisted extraction for Tephrosia purpurea by Response Surface Methodology and evaluation of its antioxidant activity. J. Drug Delivery Ther. 2019;9(3-s):401-406. doi:10.22270/jddt.v9i3-s.3053