SHANBHAG, D., and SUNITA JAYARAMAN. 2010. “Application of HPTLC in Standardization of Homoeopathic Mother Tincture Andrographis Paniculata and Its Comparison With Market Products”. Asian Journal of Chemistry 20 (1):509-13. https://asianpubs.org/index.php/ajchem/article/view/19457.