Zhang Q, Cai L, Zhong G, Luo W (2010). Simultaneous determination of jatrorrhizine, palmatine, berberine, and obacunone in Phellodendri Amurensis Cortex by RP-HPLC. Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica. 35 (16): 2061—4. doi:10.4268/cjcmm20101603. PMID21046728.
Li Z, Wang Y, Xu Q, Ma J, Li X, Yan J, Tian Y, Wen Y, Chen T (May 2023). Berberine and health outcomes: An umbrella review. Phytother Res. 37 (5): 2051—2066. doi:10.1002/ptr.7806. PMID36999891.
Zhang Q, Cai L, Zhong G, Luo W (2010). Simultaneous determination of jatrorrhizine, palmatine, berberine, and obacunone in Phellodendri Amurensis Cortex by RP-HPLC. Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica. 35 (16): 2061—4. doi:10.4268/cjcmm20101603. PMID21046728.
Li Z, Wang Y, Xu Q, Ma J, Li X, Yan J, Tian Y, Wen Y, Chen T (May 2023). Berberine and health outcomes: An umbrella review. Phytother Res. 37 (5): 2051—2066. doi:10.1002/ptr.7806. PMID36999891.