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The clinic based, cross sectional study by D'Souza et al looked at a highly selected group of individuals who were ascertained because they had HCV infection. 我们应该如何将这两个矛盾的报告综合起来理解？对HCV垂直感染或在生命早期阶段感染HCV的人群，其肝病进展通常是非常缓慢的，至少在感染的前三十年内是如此。
Methods On basis of a cross sectional study, 450 hypertensives and 590 nomotensives were recruited as the subjects to test blood lipid, blood sugar, insulin and polymorphism of ACE gene. 方法在现况调查的基础上，分别对获得知情同意的450名高血压者和590名血压正常者采集血标本，进行血脂、血糖、胰岛素和ACE基因多态性的检测。
The epidemic cross sectional study 流行病学调查
Methods Microscopically controlled excision was performed on 32 cases with basal cell carcinoma which were confirmed by frozen section study introperatively. 方法通过对32例经病理诊断为眼睑基底细胞癌患者行“控制性切除术”的手术治疗,对其疗效进行回顾性分析。
A cross - sectional study of senile dementia in Lianglukou street of Chongqing 重庆两路口街道老年期痴呆横断面研究
The Cross Sectional Study for Township Based Childhood Immunization Program in Chengdu City 成都市以乡为单位的计划免疫现况调查
The first section studies the stationary policy for inventory system without backlogging. 第一节研究不允许缺货模型的固定策略。
Clinical Cross Sectional Study of Herpes Simplex Virus Infection of Central Nervous System in Newborn Infants 新生儿中枢神经系统单纯疱疹病毒感染的临床横断面研究
CROSS - SECTIONAL STUDY ON THE INFLUENCE OF PASSIVE SMOKING ON NO SMOKING WOMEN'S HEALTH 被动吸烟对非吸烟妇女健康影响的现况研究
The second section studies the stationary policy for inventory system with backlogging.It can be converted to the model without backlogging. 第二节研究允许缺货模型的固定策略，该模型可以转化为不允许缺货模型求最优解。
It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
A Cross- sectional Study on Dental Development maturation degree 牙齿发育成熟程度的横向研究
A mule is a cross between a horse and an ass. 骡是马和驴交配而生的杂种。
The Red Cross dealt out food to hungry soldiers. 红十字会把食物分发给饥饿的士兵。
This cross marks the spot where she died. 这个十字符号标明她死去的地点。
He made expiation for our sins on the cross. 他在十字架上为我们赎了罪。
Cross sectional study of conventional cervical smear, monolayer cytology, and human papil lomavirus DNA testing for cervical cancer screening 子宫颈癌筛查中传统子宫颈涂片、单层细胞学及人乳头状瘤病毒DNA检测的横断面研究
Mind out for the traffic when you cross the road. 过马路要注意来往车辆。
Passengers mustn't cross the rails. 乘客不得横过铁路。