causative GMAT

Haemophilus parasuis is a causative agent of swine polyserositis, polyarthritis and meningitis.

猪嗜血杆菌（Haemophilus parasuis，HPS）能引起猪的多发性浆膜炎、关节炎和脑膜炎，随着世界养猪业的发展，该已成为球范围内影响养猪业的一种重要细菌学。

Agitation of patients with general anaesthesia during analepsia period is very dangerous,of which inhalation anesthesia maybe its main cause among many causative factors.

麻术后苏醒期患者躁动的危害性极大,其诱发素很多,其中吸入麻醉可能是主要。

An investigation of Anisakis simplex larvae,the most important causative agent of anisakiasis,in marine fishes caught in Bohai sea was carried out in order to detect their infectivity.

为了了解渤海各种鱼类中人体异尖线虫的主要致源——简单异尖线虫幼虫的感染情况,进行本调查。