Preterm delivery was associated with maternal drug-treated hypertension and impaired renal function. A matched case-control study showed no evidence of increased renal allograft loss after pregnancy.

早产与母亲服药治疗高血压及肾功能损害有关。一项配对病例对照研究发现没有证据表明妊娠会增加移植肾失功发生率。

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DESIGN: Randomized case control study to patients based on diagnosis SETTING: department of general diseases, rehabilitation room and ultrasound department of a university hospital.

设计：以患者为研究对象，以诊断为依据的随机对照研究。单位：一所大学医院的综合科、康复室及超声波室联合进行的课题研究。

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Study Design. Prospectie case-control study testing a new diagnostic method.

研究设计：为试验一种新的诊断方法而做的预期病例对照研究。

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First, it is a retrospective case-control study and is therefore susceptible to reporting bias, meaning that people with ALS may report their coffee consumption differently from controls.

FORBES: Does Coffee Drinking Really Protect Against Devastating Diseases?

In addition, case-control studies, such as the large INTERHEART study conducted in 52 countries, have provided valuable information.

FORBES: Do Smoking Bans Really Save Lives? If So, Whose?