发病的

A few same virions were observed in internal organization of normal Ruditapes variegate, Neptunea cumingi and Dstrea lalienwhanensis with negative staining method.

在未发病的杂色蛤、香螺、牡蛎等内脏团中也观察到少量同种病毒粒子。

Objective The main purpose of the present study was investigate the Natural Killer cell activity in patients with recurrent aphthous ulceration.

目的 初步探讨复发性阿弗他溃疡（recurrent aphthous ulcer，RAU）患者外周血自然杀伤细胞活性与RAU发病的关联性。

To probe the influencing factors of bacillary dysentery.

［目的］探讨细菌性痢疾发病的主要影响因素。

Apoplexy may lead to disability or beath,is known to be verydangerecus for hyman health.

卒中是可以预防或推延发病的，唯需&未病先防，既病防变&，始可收效。

Inoculations of Cinnamomum cassia 2-year old twigs with different wounding types and bark water contents were conducted in this experiment.

对二年生肉桂枝条采用不同致伤方式接种发现，深刻伤引起发病的程度最严重，其次为浅刻伤、烫伤和针刺伤。

Objective To study the effect of diet habit and physical activityon Gestational Diabetes Mellitus.

目的探讨饮食习惯和体力活动对妊娠期糖尿病发病的影响。

Objective To explore the influencing factors of hydatidiform mole and to provide basis for prevention.

case-control study ；目的探讨葡萄胎发病的相关影响因素，为预防工作提供依据。

Objective Study on the association of vascular endothelial growth factor with the pathogenesis of intrahepatic cholestasis of pregnancy.

目的 探讨血管内皮细胞生长因子与妊娠期肝内胆汁淤积症发病的相关性。

Objective: To analyze the status of thyroid cancer among people before and after universal salt iodination.

目的：研究加碘盐对人群甲状腺癌发病的影响。

PURPOSE: To analyse the clinical features and treatment of ectopic meningioma in oral and maxillofacial region.

目的：分析异位脑膜瘤在口腔颌面部发病的临床特点及治疗原则。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。