总之,临床症状不能很好地预示低血氧症,在资源匮乏的医疗机构进行脉搏血氧测量并借此判断是否采取吸氧疗法可以节省成本。
Overall, however, clinical signs are poor predictors of hypoxaemia, and using pulse oximetry in resource-poor health facilities to target oxygen therapy is likely to save costs.
让每个患者在决定参与前都清楚地认识到临床研究可能的风险和利益是重要的。
It is important for each individual to consider carefully the possible risks and benefits of a clinical study before making a decision to participate.
临床体征和症状能否可靠地取代昂贵和苛求的实验室检测提供的指导?
Can clinical signs and symptoms reliably substitute for guidance from expensive and demanding laboratory tests?
After the clinical trial it was rapidly introduced into the population.
临床试验结束后,该疫苗迅速地应用于大众
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