6 zhang hy . observation on xiasangju collutory prevention to mucous membrane of mouth reaction after radiotherapy for nasopharyngeal carcinoma . dang dai hu shi . 2005 ; ( 11 ) : 31 ? 34 . chinese 章海英。夏桑菊含漱液防治鼻咽癌放疗所致口腔黏膜反应的观察。当代护士。 2005 ; ( 11 ) : 31 ? 34