Etiological factors and pathogenesis

• 病因病机

Etiological factors and pathogenesis的用法和样例：

例句

1. This paper studies the primary bronchogenic carcinoma pathogenesis.
   主要研究原发性支气管肺癌的病因病机。
2. Etiology and pathogenesis of multiple sclerosis include toxin and weakness of the body.
   从邪毒外侵和正气内虚两方面认识多发性硬化的病因病机。