该项研究费用由美国卫生部和人类服务卫生健康研究与质量机构出资。
The study was paid for by the U. S. Department of Health and Human Services' Agency for Healthcare Research and Quality.
美国卫生健康研究与质量机构的职员采用标准化表格，提取试验设计、试验背景、样本、随机方式、盲法、结果和弊端等数据。
Using standardized forms, staff of the Agency for Healthcare Research and Quality abstracted data on study design, setting, sample, randomization, blinding, results, and harms.
监督管理采供血机构及临床用血质量，动员组织公民无偿献血。
To supervise and administer blood donation and supply institutions and the quality of blood used in clinic; to mobilize and organize citizens to donate blood freely.
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