目前需要进行大规模试验评价GIK能否降低AMI病人死亡率。
So a large-scale clinical trial is needed to assess whether GIK can reduce AMI mortality.
虽然参与人数过少，结果让人看到了很大希望，本文作者呼吁进行大规模试验。
Although the number of men in the study was small, the results nonetheless are promising enough for the authors to call for larger trials to be done.
把低硒浓度作为心血管疾病的一个危险因子还需要开展大规模试验的证据来确立。
Evidence from large ongoing trials is needed to establish low selenium concentrations as a cardiovascular disease risk factor.
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