《北齐书·本纪·卷六》
太后探视伤情，三次问到济南王在什么地方，孝昭帝不能回答。
太后视疾，问济南所在者三，帝不对。
The empress dowager visited the emperor to see his injuries and asked three times where the king of Jinan was, but Emperor Xiaozhao could not answer.