“PRELIMINARY PHYTOCHEMICAL INVESTIGATION AND THIN LAYER CHROMATOGRAPHY OF RHEUM EMODI”, Int. Res. J. Pharm., vol. 3, no. 4, pp. 158–159, Apr. 2012, Accessed: Jul. 15, 2026. [Online]. Available: https://irjponline.org/index.php/irjp/article/view/2197