R. Jayaprakasam; S. Velayutham; jyothi, B. A.; philips, N. .; T. K. Ravi. QUANTITATIVE ESTIMATION OF LUPEOL IN POLYHERBAL FORMULATION AND SUCCESSIVE EXTRACTS OF CRATAEVA NURVALA AND THEIR IN VITRO ANTI-INFLAMMATORY ACTIVITY STUDY. IJRDPL 2013, 2, 699-704.