王肯堂曰∶阴阳二气www.lindalemus.com/yishi/疽,广阔满背,或大或小,不常肿热胀大。十日可刺,导引出脓,不拘深浅多少,发渴体倦。十日外不见脓不治。(《准绳》www.lindalemus.com/Article/)