A highly pathogenic form of avian influenza has been on the rise since mid 2003.

高致病性禽流感自2003年中以来一直在增加

Hemophilus influenzae accounted for 65% of the pathogenic bacteria in acute pharyngitis.

流感嗜血杆菌占急性咽炎的致病菌的65％。

No pathogenic mutation was detected in the exon and franking regions of MYH9 gene except a synonymous mutation.

除同义突变外，在 MYH9 基因的外显子和弗兰克区域未检测到致病突变。

The pathogenic potential of Blastocystis hominis is still controversial because many epidemiologic and experimental animal studies gave quite different conclusions.

人芽囊原虫是否具有致病性一直颇有争议，因为很多流行病学研究和实验动物研究得出了矛盾的结论。

Discuss the pathogenic mechanism of Prinzmetal's variant angina pectoris. 

探讨变异型心绞痛的发生机制。

The objective is to explore the pathogenic course, clinical features and prognosis on hallervorden spatz disease (HSD).

目的是探讨苍白球黑质红核色素变性（HSD）的发病过程、临床特征及预后诊断。