《宋史·列传·卷七十三》
经过再次拷问，才知宋儋年向来不吃鳖肉，所谓置毒药鳖肉中者，乃是其妾与小吏想为将来翻案打下伏笔，以逃避死罪。
时与夏议分疆界，纯粹请弃所取夏地，曰： 争地未弃，则边隙无时可除。
After another round of interrogation, found out that Song Dapian did not eat turtle meat, what was said to be poisoning turtle meat was a plan made by his concubine and the lower official to lay the groundwork for overturning the case in the future, to avoid a death sentence.