知情同意：指向受试者告知一项试验的各方面情况后，受试者自愿确认其同意参加该项临床试验的过程，须以签名和注明日期的知情同意书作为文件证明。¹⁾

　　Informed Consent: A process by which a subject voluntarily confirms his or her willingness to participate in a particular trial, after having been informed of all aspects of the trial that are relevant to the subject's decision to participate. Informed consent is documented by means of a written, signed and dated informed consent form.²⁾

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