Phowichit ส.; Ratanachamnong ป.; Matsathit อ.; Ussawawongaraya ว. Anti-oxidant activity, phenolic and flavonoid constituents of Crude extracts from Piper ribesioides and Zanthoxylum limonella traditional herbal medicine in Northern Thailand. Journal of Applied Research on Science and Technology (JARST), [S. l.], v. 18, n. 1, p. 25–39, 2019. Disponível em: Acesso em: 25 may. 2022.