From May 2000 to December 2005 , 126 cancer patients were randomly divided into a prevention group of 75 cases given externally topical application of Lianbai liquid since the first radiotherapy , and a control group I of 51 cases given only advice after radiotherapy ; while the other 92 cancer patients who had already had grade III acute radiation-induced dermal injury were randomly divided into a treatment group of 54 cases treated by externally topical use of Lianbai liquid , and a control group II of 38 cases treated by topical use of norfloxacin .
