NANDAGOPAl, A., and M. A. ALI KHAN. “NEUROPROTECTIVE EFFECT OF POLYHERBAL FORMULATION IN PARKINSON’S ANIMAL MODEL”. Asian Journal of Pharmaceutical and Clinical Research, vol. 13, no. 3, Mar. 2020, pp. 121-5, doi:10.22159/ajpcr.2020.v13i3.36549.