Peters等人建议，此手术应限制在研究框架内，需严格分析其风险-效益比。
Peters et al suggest that the procedure should be reserved only for research protocols with rigorous analysis of the risk-benefit ratio.
决策支持-根据成本效益分析确定风险优先级。
Decision support. Prioritization of risk based on a cost-benefit analysis.
第七章：介绍了该项目预期效益和风险分析。
Chapter seven: introduction of the expected benefits and risk analysis of the project.
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