Analysis of withanolides in root and leaf of Withania somnifera by HPLC with photodiode array and evaporative light scattering detection. - Chaurasiya,N.D.; Uniyal,G.C.; Lal,P.; Misra,L.N.; Sangwan,N.S.; Tuli,R.; Sangwan,R.S. (Phytochem Anal, 2008)