etiology例句

In such situations specific laboratory tests are necessary to establish the etiology.
在此情况下,需要特异性实验来确定病原.

Acute sinusitis is usually initiated by an acute respiratory tract infection of viral etiology.
急性鼻窦炎常常是由病毒性病因的急性呼吸道感染而发生.

Objective To explore the etiology of incisional hernia of abdominal wall.
目的探讨腹壁切口疝的发病原因.

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