The scrapie agent in sheep may be similar to viroids . 绵羊的搔痒病因子可能也是类病毒。
It is generally thought that salt is a culprit in this disease . 一般认为食盐是这种病的病因。
His work on the causes of diseases is of premier importance to the whole world . 他对病因的研究对整个世界来说非常重要。
For renal disease, an etiologic relationship has not been established conclusively . 对于肾脏疾病，却仍不能做出病因关系的结论。
Regardless of cause, the glaucomatous eye is grossly abnormal in the later stages . 不论病因如何，青光眼在后期都发生明显的异常。
A number of etiological classifications of the cardiomyopathies can be found in the literature . 许多有关心肌病的病因学分类可参看有关文献。
Similarly , machines could be used to keep a check on a patient 's health record and bring it up to date . 同样，机器能够检查病员的病因，并使之反应出最新情况。
Cataracts are classified according to the age of the individual, etiology, and the morphologic characteristics of the opacity . 白内障是根据患者的年龄、病因和晶状体混浊的形态学特征来分类的。
Statistics on occupational mortality have been of greater value in these respects than in initiating the study of new aetiological agents . 不同职业的死亡率的统计对这些方面的价值较之对于开展新的病因研究的价值更大。
This involves studying the cause of disease, the identification of disease patterns, the population's attitudes to disease, their tendency to seek cure . 这样就涉及到病因的研究和疾病型式的确定，涉及到人们对疾病的态度和寻求治愈的趋向。
