Phase I study of the novel, fully synthetic epothilone sagopilone (ZK-EPO) in patients with solid tumors. - Schmid, P.; Kiewe, P.; Possinger, K.; Korfel, A.; Lindemann, S.; Giurescu, M.; Reif, S.; Wiesinger, H.; Thiel, E.; Kühnhardt, D. (Annals of Oncology, 2010)