7D.E. Okwu, C. Josiah. Evaluation of the chemical composition of two Nigerian medicinal plants [ J ]. African Journal of Biotechnology, 2006,5 ( 4 ) : 357-361.
8D. A. Alabi, M. Z. Onibudol, N. A. Amusa. Chemicals and Nutritional Composition of Four Botanicals with Fungitoxic Properties [ J ]. World Journal of Agricultural Sciences, 2005,1 ( 1 ) : 84-88.
9Yamagishi T, Yan XZ, Wu RY, et al. Strneture and stereochemistry of bryophyllin-A, A novel potent cyto-toxic bufadienolide orthoacetate from bryophyllum pinnatum [ J ]. Chemical&Pharmaceutical Bulletin, 1988, 36 (4): 1615-1617.
10Yamagishi T, Harnna M, Yan XZ, et al. Antitumor agents. 110. Bryophyllum-B, A novel potent cytotoxic bufadienolide from bryophyllum pinnatum [ J ]. Journal of Natural Products, 1989,52 (5) : 1071-1079.
