《黄帝内经·灵枢·经脉》
所谓气盛的实症，是指寸口脉比人迎脉大两倍；所谓虚症，是指寸口脉反比人迎脉小。
盛者寸口大再倍于人迎，虚者寸口反小于人迎也。
The so-called solid case of qi prosperity refers to the cun-kou pulse being twice the size of the ren-ying pulse; the so-called deficiency case refers to the cun-kou pulse being smaller than the ren-ying pulse.