Changes in the contents of four active diterpenoids at different growth stages in Andrographis paniculata (Burm.f.) Nees (Chuanxinlian). Pholphana N, Rangkadilok N, Saehun J, Ritruechai S, Satayavivad J Chinese Medicine 2013; 8: 1-12.

Tummatorn, J.; Krajangsri, S.; Norseeda, K.; Thongsornkleeb, C.; Ruchirawat, S. A New Synthetic Approach to 6-Unsubstituted Phenanthridine and Phenanthridine-like Compounds under Mild and Metal-free Conditions. Org. Biomol. Chem. 2014, 12, 5077-5081.

Enhanced arsenic removals through plant interactions in subsurface-flow constructed wetlands. Singhakant C, Koottatep T, Satayavivad J J Environ Sci Health A 2009; 44: 163-69.