The Role of Intermittent Chemotherapy in the Survival of Patients with Hormone Refractory Prostate Cancer - Aznab, Mozaffar; Samadzadeh, Bahram; Moradi, Assad; Bardideh, Abdol Rosol; Hoseini, Jamal; Kaviani Moghadam, Kazhal (International Journal of Hematology-Oncology and Stem Cell Research)