1. Jiangsu New Medical College, Dictionary of Chinese Herb Medicine, Shanghai Scientific and Technologic Press, Shanghai (1986), p. 586.
2. X. S. Bao, Q. S. Shun, and L. Z. Chen, The Medicinal Plants of Dendrobium (Shi-hu) in China, A Coloured Atlas, Press of Fudan University and Press of Shanghai Medical University, Shanghai (2001), p. 109.
3. C. Fan, W. Wang, Y. Wang, G. Qin, and W. Zhao, Phytochemistry, 57 , 1255 (2001).
4. Y. Q. Gong, Y. Fan, D. Z. Wu, H. Yang, Z. B. Hu, and Z. T. Wang, Eur. J. Cancer, 40, 1554 (2004).
5. Y. H. Lee, J. D. Park, N. I. Baek, S. I. Kim, and B. Z. Ahn, Planta Med., 61, 178 (1995).