2020. Standardization of Ayurvedic Drug- Nyctanthes arbor-tristis, Hippophae salicifolia, Ocimum tenuiflorum and Reinwardtia indica and Combined Herb-Herb. Nepal Journal of Biotechnology. 8, 1 (Jul. 2020), 36–53. DOI:https://doi.org/10.3126/njb.v8i1.30208.