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Stage based treatment of gouty arthritis by combination therapy of traditional Chinese and Western medicines: a randomized controlled trial.

中西医结合分期综合治疗痛风性关节炎的随机对照临床研究。

Wistar rats were randomized into normal group, sham operation group, control group and experiment group.

将Wistar大鼠随机分为正常组、假手术组、对照组、实验组。

In order to investigate the effects of different sulphur fertilizers on rice and the recycling and balance of sulphur in rice-rice agro-ecosystem, seven treatments with different sulphur fertilizers were applied in a rice-rice cropping field with randomized block design, which included no sulphur, ammonium sulphate, single superphosphate, elemental S, gypsum, 50％ S from gypsum and 50％ from elemental sulphur (50％ GYP + 50％ ES), 70％ S from gypsum and 30％ from elemental sulphur (70％ GYP + 30％ ES).

为了了解不同硫肥对水稻的效应及在水稻栽培农业生态系统中硫的循环与平衡情况，采用随机区组设计，将不同来源的硫肥设为7个处理包括：对照，硫酸铵，过磷酸钙，自然硫素，石膏，50％石膏+50％自然硫素，70％石膏+30％自然硫素，对水稻进行处理。

Hannan says randomized trials have biases as well, as patients may not choose to participate if they fear being assigned to a highly invasive surgery.

Hannan说随即试验也有偏倚，比如有的病人因为害怕接受创伤较大的手术就不想参与进来。

Methods A randomized controlled trail was carried out in 41 patients. The medication design was based on the findings that the half life time of salvianolate was less than 2 h and its time of clearance uas 12 h. The treatment group (n=20) was treated with salvianolate at the dose of 200 mg, intravenous drip, twice a day, and the control group (n=21) with salvianolate at the dose of 200 mg, intravenous drip, once a day. The curative effects of salvianolate on angina pectoris (with syndrome of heart-blood obstruction) in the two groups was compared.

根据丹参酚酸B在体内半衰期小于2h，12h内药物基本从体内消除的研究结果设计给药方案，采用随机对照的方法，试验组（20例）丹参多酚酸盐200mg，静脉滴注，每日2次，对照组（21例）丹参多酚酸盐200mg，每天l次，比较两种给药方法对冠心病心绞痛的疗效差别。

Objective :To compare the outcome of procedure for prolapse and hemorrhoids combined external hemorrhoid dectomy with Milligan-Morgan hemorrhoidectomy in a randomized controlled trial and evaluate its efficacy. Methods:72 cases adimitted for surgical treatment of mixed hemorrhoids,were randomly devided to under go PPH combined external hemorrhoid dectomy(32 cases) or Milligan-Morgan hemorrhoidectomy(40 cases).

目的： 比较研究吻合器痔上粘膜环切悬吊术(Procedure for Prolapse and Hemorrhoids，PPH)合外痔切除术与外剥内扎术治疗混合痔的临床疗效方法：将72例混合痔患者随机分成PPH组32例、剥扎组40例，分别采用PPH合外痔切除术或外剥内扎术治疗。

Short-term results for MMSA are very satisfactory in the follow-up time lower than 10 years,but its medium and long-term results still are uncertain and need the further research involving long-term randomized comparisions with alternative approaches to the clinical management of hip disease.

但仍存在尚待解决的问题。新一代金-金全髋表面假体系统的问世是髋关节置换术的一个重要历程碑，在不到10年的临床随访中其早期疗效非常满意，但中、长期疗效尚不确定，需待与其它方法作进一步长期的、随机化对照性研究。

The randomized selection algorithm presented by Hoare can make the expectation of the times of comparing less than 4n.

源于Hoare的随机选择算法可以使得算法执行比较的期望次数小于4n。

May 16, 2003 Physician house calls reduced hospitalizations, length of stay, and emergency department visits, and they may be financially favorable, according to the results of a randomized controlled trial presented at the American Geriatric Society 2003 Annual Scientific Meeting on May 16 in Baltimore, Maryland.

这是根据一项，发表在五月十六日马里兰州巴尔的摩举办的美国老年医学会2003年年会上的随机控制实验的结果。

Methods: thirty rabbits were randomized into control group and hyper oxygen group, with 15 in each group.

家兔30只，随机分为对照组和高氧液组各15只。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。