Sentence: The analytical range for dihydroartemisinin , dihydroartemisinin-glucuronide and artesunate was 10 - 1000 ng/ml and for artemether 90 - 3000 ng/ml with a lower limit of quantification of 10 and 90 ng/ml , respectively .
Drug combination annotation:
[{'class': 'COMB', 'spans': ['dihydroartemisinin', 'dihydroartemisinin-glucuronide', 'artesunate'], 'is_context_needed': True}]