《黄帝内经·素问·刺法论》
又有，在泉之气己卯不能迁正，而司天甲子阳刚之气，则孤立无配，此后三年左右，也可发作土疠病，其补泻方法，和上述甲子司天不得迁正致疫之法是一样的。
又有下位己卯不至，而甲子孤立者，次三年作土疠，其法补泻，一如甲子同法也。
What’s more, if the qi in quan can not move to zheng in jiawu year, but the yangqi of jiageng司天who controls the time will be isolated and without companion, in the following three years or so, earth disease may also happen, its reinforcing and reducing method is the same as the treatment of earth disease caused by jiagen司天moving to zheng in the above.