邪之所凑，其气必虚for evil to encroach, qi4 must be vacuous
灵枢．卫气第五十二Magic Pivot, Defense Qi4
痰气壅滞phlegm and qi4 congestion
护胃承气汤Stomach-Protecting Qi4-Coordinating Decoction [NIS]
益气通阳boost qi4 and free yang2
气闭耳聋qi4-block deafness
十种水气ten kinds of water qi4
补血益气supplement blood and boost qi4