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Christodoulou C, Kostopoulos I, Kalofonos HP, Lianos E, Bobos M, Briasoulis E, Gogas H, Razis E, Skarlos DV, Fountzilas G; Study of the Hellenic Cooperative Oncology Group.Christodoulou C, et al.Oncology. 2009;76(4):275-85. doi: 10.1159/000207504. Epub 2009 Mar 5.Oncology. 2009.PMID: 19262067Clinical Trial.