ASHOK KUMAR, B.S., K.V. SATISH, N. SURESH, D. SHESHADRI SEKHAR, and V.B. NARAYAN SWAMY. 2010. “Estimation of Rutin and Quercetin in Amarnathus Spinosus by HPLC”. Asian Journal of Chemistry 20 (2):1633-35. https://asianpubs.org/index.php/ajchem/article/view/12586.