The academic source was common. In the aspect of watching officer hole,the Zhouli-tianguan firstly proposed watch "nine orifices" diagnose disease, horse king heap han grave silk book stated too.
望官窍方面,《周礼·天官》首先提出望“九窍”诊病,马王堆汉墓帛书中亦有载述。
参考来源 - 《内经》诊法学说的起源与形成研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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