Circulating endothelial cells as a surrogate marker of antiangiogenic activity in patients treated with endostatin
Heymach J, Kulke MH, Fuchs CS, Force J, Connors S, Sidor C, George D, Eder JP, Folkman J, Soker S. Circulating endothelial cells as a surrogate marker of antiangiogenic activity in patients treated with endostatin. Journal of Clinical Oncology, ASCO Annual Meeting Proceedings. 2003.