Selvakumar V, Duraipandi S. Solid phase extraction of ayurvedic lipid based formulations for the analysis and the determination of active botanical ingredients by HPTLC. J Pharm Chem [Internet]. 2015 Feb. 16 [cited 2024 May 18];1(4):74-9. Available from: https://pubs.vensel.org/index.php/jphchem/article/view/34