[1]
W. Choy, C. Chung, P. Lim, V. Sagindharan, S. Lee, P. Show, H. Lam, Aqueous Two-Phase Flotation for Extraction of Andrographolide from Andrographis Paniculata, Chemical Engineering Transactions. 45 (2015) 1075-1080. doi:10.3303/CET1545180.