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来源:雅诚德英语网
Often researchers restrict study participation to patients who have no ailments besides those being studied.
研究人员通常将参与研究的患者限制在除了被研究对象之外没有其他疾病的患者。
Often researchers restrict study participation to patients who have no ailments besides those being studied.
研究人员通常将参与研究的患者限制在除了被研究对象之外没有其他疾病的患者。