It is difficult to show that an intervention prevents cancer, given the relatively long induction phase between exposure to an inducing agent and developmentofdisease.
很难说一种干预方式,施予一段相对较长的介于接受诱导剂和诱发疾病之间的诱导治疗期,可以预防肿瘤。
2
Objective To access the distribution and extent of Clonorchis sinensis infection in Wujiang District, Shaoguan city and to provide basis for the developmentofdisease prevention program.
目的了解韶关市武江区华支睾吸虫感染状况,为制定防治方案提供依据。
3
There is no cure for the disease, although drugs can slow down its rate ofdevelopment.