Article 1 Breast neoplasms 1 Chemotherapy 1 Fatigue 1 Fatigue Severity Scale 1 Functional Assessment of Cancer Therapy General 1 Functional Assessment of Chronic Illness Therapy Fatigue Scale Quality of life 1 adult 1 aged 1 antineoplastic agent 1 breast cancer 1 cancer chemotherapy 1 cancer combination chemotherapy 1 cancer fatigue 1 cancer patient 1 cancer staging 1 cyclophosphamide 1 disease severity 1 docetaxel 1 doxorubicin 1 drug dose reduction 1 epirubicin 1 ethnicity 1 female 1 fluorouracil 1 human 1 incidence 1 major clinical study 1 multiple cycle treatment 1