(1)
Zhao, S. M.; Kuang, B.; Fan, J. T.; Yan, H.; Xu, W. Y.; Tan, N. H. Antitumor Cyclic Hexapeptides from Rubia Plants: History, Chemistry, and Mechanism (2005–2011). Chimia 2011, 65 (12), 952. https://doi.org/10.2533/chimia.2011.952.