1.
Zhu T, Row K. An Anion Exchange Monolithic Cartridge for Extraction and Analysis of Oleanolic Acid from Oldenlandia diffusa. ajc [Internet]. 2013 Jan. 8 [cited 2024 Jul. 21];25(6):3008-10. Available from: https://asianpubs.org/index.php/ajchem/article/view/25_6_16