根据世界健康研究论坛的数据，全球只有10%的医学研究活动是针对给贫穷阶层的疾病的，而这类疾病给世界造成了90%医疗负担。
According to the Global Forum on health research, only 10 percent of medical research centers on the diseases that cause 90 percent of the health burden in the world.
根据世界健康研究论坛的数据，全球只有10%的医学研究活动是针对给贫穷阶层的疾病的，而这类疾病给世界造成了90%医疗负担。
According to the Global Forum on health research, only 10 percent of medical research centers on the diseases that cause 90 percent of the health burden in the world.
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