但三种细菌治疗前后的检出率差异均无统计学意义。
There were no statistically significant difference the detection rates before and after treatment.
利用细菌治疗癌症的方法要回溯到19世纪，那时侯的医生发现感染了细菌的癌症患者往往会缓解病情。
The idea of treating cancer with bacteria goes back to the 19th century, when physicians noticed that cancer patients who became infected sometimes enjoyed a remission.
当我们使用抗生素治疗细菌感染时，它们仅仅会杀死某些特定的细菌(通常是致病菌)。
When we take antibiotics for a bacterial infection, they only kill certain bacteria (usually the ones making us sick).
应用推荐