LSD and other drugs were usually administered without the subject's knowledge and informed consent, a violation of the Nuremberg Code that the U. S. agreed to follow after WWII.

实验对象通常在不知情的情况下服用这些药物，这违反了二战后美国同意签订的纽伦堡法案的精神。

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Objective:To assess the ultrasonic diagnosis of lumbosacral spinal dysraphism(LSD)with tethered spinal cord(TSC)syndrome and to evaluate the ultrasonography value in postoperative follow up.

目的：观察超声在腰骶椎管闭合不全合并脊髓栓系综合征中诊断和术后随访的价值。

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