即使当技术具备有改变的潜力时，在第三世界的管控常常由于组织性的缺失而成为绊脚石。
Even when technologies have the potential to make a difference, deployment in the developing world often stumbles for lack of infrastructure.
世卫组织认定某些管控药物为基本药物，用于满足人群的重点卫生保健需求。
Some controlled medicines are identified by WHO as essential medicines, which address priority health care needs of the population.
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