Sentence: ( 4 mg/day ) ; in group 3 , 69 patients administered metformin ( 1,000 mg/day ) and rosiglitazone ( 4 mg/day ) for 6 months ,
Drug combination annotation:
[{'class': 'POS', 'spans': ['metformin', 'rosiglitazone'], 'is_context_needed': True}]