WHO is assisting countries in ensuring the safety, availability, and quality of blood and blood products.
世卫组织协助各国确保血液和血液制品的安全性、可得性和质量。
And the therapeutic strategy performed by the outer underprop has the advantage of easy performance, safety, availability. It is worth popularizing.
外支撑架的手术治疗方法是一种简单、安全、有效的治疗方式，值得进一步推广。
And the therapeutic strategy performed by the outer underprop has the advantage of easy performance, safety, availability. It is worth popularizing.
外支撑架的手术治疗方法是一种简单、安全、有效的治疗方式，值得进一步推广。
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