According to the example illustrated in Figure 2, the CDA document needs to be augmented with the address information of the patient.

根据图2中的例子，这个CDA文档需要添加病人的地址信息。

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Figure 2 shows the CDA Viewer displaying an observation event representing allergies and adverse reactions.

图2展示了一个CDA Viewer，其中包含了一个表示过敏和不良反应的观察事件。

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