Result: the patients gained the knowledge on the relativedisease.
结果：患者获得与自身疾患相关的知识重点。
2
The relative contribution of each of the above sources to the overall burden of disease is unclear but consumption of undercooked contaminated poultry is believed to be a major contributor.
以上各感染源对疾病总负担的相对贡献情况目前还不清楚，但食用未煮熟的受污染家禽被认为是一个主要因素。
3
Aspirin produces a 20% relative reduction in the risk of heart attack, stroke or death due to vascular disease, in patients with PVD.