方法75例人工荨麻疹患者随机分为对照组与治疗组.用英语怎么说？

方法75例人工荨麻疹患者随机分为对照组与治疗组.

Methods 75 patients as dermatographism were randomly divided into treatment group and control group.

methods

n. method的复数：方法，方法( method的名词复数 )，方法论，教学法，分类法；

例句
The old methods weren't adequate to meet current needs...
老一套方法已不足以满足当前的需要。

patients

n. 患者( patient的名词复数 )，接受治疗者，受动着，承受者；

例句
...a Code of Practice that would give patients right of access to their medical records.
允许病人查看自己病历的职业准则

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

dermatographism

皮肤划痕症；

例句
Methods 75 patients as dermatographism were randomly divided into treatment group and control group.
方法75例人工荨麻疹患者随机分为对照组与治疗组.

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

randomly

--

例句
The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time.
电离层是随机时变, 各向异性, 非均匀 、 色散的复杂介质.

divided

adj. 分离的，被分割的，分裂的；v. 分( divide的过去式和过去分词 )，划分，分离，（使）产生分歧；

例句
His company was bought out by Hogg Robinson for £3.5m, divided between five partners...
他的公司被霍格·鲁宾逊公司以350万英镑的价格收购，分给了五位合伙人。

into

prep. （表示方向）进入…中，（表示所属）输入，（表示状态）进入…状态，（表示时间）持续到；

例句
By 1838, the abolitionists had shamed parliament into ending slavery in British colonies...
到1838年，废奴主义者迫使议会出于道德压力而废除了英国殖民地的奴隶制。

treatment

n. 治疗，疗法，处理，待遇，对待；

例句
He was admitted yesterday for treatment of blood clots in his lungs.
他昨天入院治疗肺部的血块。

group

n. 组，团体，群，批，（雕塑等的）群像，（英美的）空军大队；vt.& vi. 使成群，集合；vt. 分类，归类；

例句
...a group of youths riding their motorbikes four abreast.
驾着摩托车，四个一排齐头并进的一群年轻人

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

control

vt. 控制，管理，限制，支配；n. 支配权，操纵者，（对国家、地区、机构等的）管理权，（键盘上的）控制键；

例句
It is arguable whether he ever had much control over the real economic power...
他是否掌控过真正的经济大权还有待证实。