A. Siddiqui, N. et al. 2014. Quantification of Physiologically Available Glycyrrhizin in Anti-Stress Herbal Formulations by Validated HPTLC Method. Asian Journal of Chemistry. 26, 3 (Jan. 2014), 874–878. DOI:https://doi.org/10.14233/ajchem.2014.16111.