P. AGARWAL, SURAJ, SHAHID H. ANSARI, and RITESH R. KARMARKAR. 2010. “Enhancement of the Dissolution Rate of Ketoconazole Through a Novel Complexation With Humic Acid Extracted from Shilajit”. Asian Journal of Chemistry 20 (1):380-88. https://asianpubs.org/index.php/ajchem/article/view/19421.