The protocol requires all participants to sign a consent form.

协议要求所有参与者签署同意书。

The guardians signed the consent form for the medical procedure.

监护人签署了医疗程序的同意书。

Volunteers participating in the clinical trial need to sign an informed consent form.

参加临床试验的志愿者需要签署知情同意书。

Yes, we need them to sign a consent form. By the way, you'll be NPO from now on.

是的，我们需要他们签署一张协议书。顺带一提，你将从现在开始处于NPO的状态。

We need the seal of your embassy and the signatur of your Ambassador on the consent form.

我们需要在这张志愿书上盖上你们大使馆的印鉴，还需要你们大使的签字。