Sentence: Epirubicin ( 35 mg/m(2 ) ) and cyclophosphamide ( 400 mg/m(2 ) ) were administered from day 2 to day 4 , every 4 weeks .
Drug combination annotation:
[{'class': 'POS', 'spans': ['Epirubicin', 'cyclophosphamide'], 'is_context_needed': True}]