Prognostic Significance of Circulating and Disseminated Tumor Cells in Breast Cancer Patients before and after Adjuvant Chemotherapy oleh Parisa Ghaffari, Meysam Yousefi, Mozaffar Aznab, Negar Khazan, Marjan Yaghmaie, Davood Bashash, Mohammad Vaezi, Ardashir Ghavamzadeh, Seyed H Ghaffari