"It was clearly the easiest study the pain center at Stanford has ever recruited for," Mackey said.

“这显然是斯坦福疼痛研究中心最容易招募研究对象的研究，”麦基说。

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"It was clearly the easiest study the pain center at Stanford has ever recruited for," Mackey said.

“这显然是斯坦福疼痛研究中心最容易招募研究对象的研究，”麦基说。

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