Bitupon Borah, Reshma Ahmed, Dibyojyoti Baruah, Debojit Kumar Sarmah, Sawlang Borsingh Wann and Brijmohan Singh Bhau 2014. In-vitro antioxidant activity of tender shoot of Calamus leptospadix Griff. World Journal of Pharmaceutical Sciences. 2, 12 (Dec. 2014), 1893–1900.