Kulathunga RDH, Gunarathna EDTP, De Silva RHSK, Jayawardhana NDN, Samarasinghe KA, Arawwawala LDAM, Phytochemical and physico-chemical comparison of roots of heen iramasu and maha iramusu (hemidesmus indicus linn.) International Conference on Ayurveda, Siddha and Traditional Medicine, Institute of Indigenous Medicine, University of Colombo, Rajagiriya, Sri Lanka. 07^th -9^th December 2018