《旧唐书·本纪·卷十三》
十一日，中书侍郎、平章事齐抗为太子宾客，这是因为他患病才免职的。
己未，中书侍郎、平章事齐抗为太子宾客，病免也。
On the 11th, the Secretary of the Central Secretariat, Qi Kang, was made a guest of the crown prince because he had fallen ill and was dismissed from his post.