(en) R. Shanmuga Sundaram, M Ramanathan, R Rajesh, B Satheesh et D Saravanan, « LC-MS Quantification of Rosmarinic Acid and Ursolic Acid in Theocimum Sanctumlinn. Leaf Extract (Holy Basil, Tulsi) », Journal of Liquid Chromatography & Related Technologies, vol. 35, no 5, , p. 634 (DOI10.1080/10826076.2011.606583, S2CID95225535)
(en) R. Shanmuga Sundaram, M Ramanathan, R Rajesh, B Satheesh et D Saravanan, « LC-MS Quantification of Rosmarinic Acid and Ursolic Acid in Theocimum Sanctumlinn. Leaf Extract (Holy Basil, Tulsi) », Journal of Liquid Chromatography & Related Technologies, vol. 35, no 5, , p. 634 (DOI10.1080/10826076.2011.606583, S2CID95225535)